Home / 2,115,266.10-3,168,233.55-1,272,347.70

Finding the Fourth Proportional to 2,115,266.10, 3,168,233.55 and 1,272,347.70

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Solution

The fourth proportional to 2,115,266.10, 3,168,233.55 and 1,272,347.70 is: 1,905,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,266.10 : 3,168,233.55 = 1,272,347.70 : x
  2. Step 2: Convert to fraction form
    2,115,266.10/3,168,233.55 = 1,272,347.70/x
  3. Step 3: Cross multiply
    2,115,266.10x = 3,168,233.55 × 1,272,347.70
  4. Step 4: Simplify right side
    2,115,266.10x = 4,031,094,670,405.33
  5. Step 5: Solve for x
    x = 4,031,094,670,405.33/2,115,266.10
  6. Step 6: Final answer
    x = 1,905,715.16

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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.