Home / 2,457,810-3,390,388.65-1,538,443.19

Finding the Fourth Proportional to 2,457,810, 3,390,388.65 and 1,538,443.19

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Solution

The fourth proportional to 2,457,810, 3,390,388.65 and 1,538,443.19 is: 2,122,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457,810 : 3,390,388.65 = 1,538,443.19 : x
  2. Step 2: Convert to fraction form
    2,457,810/3,390,388.65 = 1,538,443.19/x
  3. Step 3: Cross multiply
    2,457,810x = 3,390,388.65 × 1,538,443.19
  4. Step 4: Simplify right side
    2,457,810x = 5,215,920,338,521.76
  5. Step 5: Solve for x
    x = 5,215,920,338,521.76/2,457,810
  6. Step 6: Final answer
    x = 2,122,182.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.