Home / 6,663,355.30-9,995,642.91-1,871,012.26

Finding the Fourth Proportional to 6,663,355.30, 9,995,642.91 and 1,871,012.26

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Solution

The fourth proportional to 6,663,355.30, 9,995,642.91 and 1,871,012.26 is: 2,806,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663,355.30 : 9,995,642.91 = 1,871,012.26 : x
  2. Step 2: Convert to fraction form
    6,663,355.30/9,995,642.91 = 1,871,012.26/x
  3. Step 3: Cross multiply
    6,663,355.30x = 9,995,642.91 × 1,871,012.26
  4. Step 4: Simplify right side
    6,663,355.30x = 18,701,970,431,192.08
  5. Step 5: Solve for x
    x = 18,701,970,431,192.08/6,663,355.30
  6. Step 6: Final answer
    x = 2,806,689.66

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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.