Home / 2,172,030.30-3,258,045.45-909,726.30

Finding the Fourth Proportional to 2,172,030.30, 3,258,045.45 and 909,726.30

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Solution

The fourth proportional to 2,172,030.30, 3,258,045.45 and 909,726.30 is: 1,364,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,030.30 : 3,258,045.45 = 909,726.30 : x
  2. Step 2: Convert to fraction form
    2,172,030.30/3,258,045.45 = 909,726.30/x
  3. Step 3: Cross multiply
    2,172,030.30x = 3,258,045.45 × 909,726.30
  4. Step 4: Simplify right side
    2,172,030.30x = 2,963,929,632,460.34
  5. Step 5: Solve for x
    x = 2,963,929,632,460.34/2,172,030.30
  6. Step 6: Final answer
    x = 1,364,589.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.