Home / 2,068,412.80-3,102,716.40-648,515.20

Finding the Fourth Proportional to 2,068,412.80, 3,102,716.40 and 648,515.20

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Solution

The fourth proportional to 2,068,412.80, 3,102,716.40 and 648,515.20 is: 972,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,412.80 : 3,102,716.40 = 648,515.20 : x
  2. Step 2: Convert to fraction form
    2,068,412.80/3,102,716.40 = 648,515.20/x
  3. Step 3: Cross multiply
    2,068,412.80x = 3,102,716.40 × 648,515.20
  4. Step 4: Simplify right side
    2,068,412.80x = 2,012,158,746,689.28
  5. Step 5: Solve for x
    x = 2,012,158,746,689.28/2,068,412.80
  6. Step 6: Final answer
    x = 972,803.28

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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.