Home / 1,869,925.20-2,807,998.20-1,029,080.40

Finding the Fourth Proportional to 1,869,925.20, 2,807,998.20 and 1,029,080.40

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Solution

The fourth proportional to 1,869,925.20, 2,807,998.20 and 1,029,080.40 is: 1,545,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,925.20 : 2,807,998.20 = 1,029,080.40 : x
  2. Step 2: Convert to fraction form
    1,869,925.20/2,807,998.20 = 1,029,080.40/x
  3. Step 3: Cross multiply
    1,869,925.20x = 2,807,998.20 × 1,029,080.40
  4. Step 4: Simplify right side
    1,869,925.20x = 2,889,655,910,855.28
  5. Step 5: Solve for x
    x = 2,889,655,910,855.28/1,869,925.20
  6. Step 6: Final answer
    x = 1,545,332.35

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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.