Home / 1,999,488.90-2,999,233.35-877,557.90

Finding the Fourth Proportional to 1,999,488.90, 2,999,233.35 and 877,557.90

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Solution

The fourth proportional to 1,999,488.90, 2,999,233.35 and 877,557.90 is: 1,316,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,488.90 : 2,999,233.35 = 877,557.90 : x
  2. Step 2: Convert to fraction form
    1,999,488.90/2,999,233.35 = 877,557.90/x
  3. Step 3: Cross multiply
    1,999,488.90x = 2,999,233.35 × 877,557.90
  4. Step 4: Simplify right side
    1,999,488.90x = 2,632,000,920,235.97
  5. Step 5: Solve for x
    x = 2,632,000,920,235.97/1,999,488.90
  6. Step 6: Final answer
    x = 1,316,336.85

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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.