Home / 3,985,718.40-5,962,831.20-3,459,088.80

Finding the Fourth Proportional to 3,985,718.40, 5,962,831.20 and 3,459,088.80

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Solution

The fourth proportional to 3,985,718.40, 5,962,831.20 and 3,459,088.80 is: 5,174,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,718.40 : 5,962,831.20 = 3,459,088.80 : x
  2. Step 2: Convert to fraction form
    3,985,718.40/5,962,831.20 = 3,459,088.80/x
  3. Step 3: Cross multiply
    3,985,718.40x = 5,962,831.20 × 3,459,088.80
  4. Step 4: Simplify right side
    3,985,718.40x = 20,625,962,620,210.56
  5. Step 5: Solve for x
    x = 20,625,962,620,210.56/3,985,718.40
  6. Step 6: Final answer
    x = 5,174,967.36

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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.