Home / 2,985,735.23-4,119,897.94-1,678,805.90

Finding the Fourth Proportional to 2,985,735.23, 4,119,897.94 and 1,678,805.90

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Solution

The fourth proportional to 2,985,735.23, 4,119,897.94 and 1,678,805.90 is: 2,316,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,735.23 : 4,119,897.94 = 1,678,805.90 : x
  2. Step 2: Convert to fraction form
    2,985,735.23/4,119,897.94 = 1,678,805.90/x
  3. Step 3: Cross multiply
    2,985,735.23x = 4,119,897.94 × 1,678,805.90
  4. Step 4: Simplify right side
    2,985,735.23x = 6,916,508,959,722.96
  5. Step 5: Solve for x
    x = 6,916,508,959,722.96/2,985,735.23
  6. Step 6: Final answer
    x = 2,316,517.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.