Home / 3,520,029.72-4,857,642.99-1,910,397.72

Finding the Fourth Proportional to 3,520,029.72, 4,857,642.99 and 1,910,397.72

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Solution

The fourth proportional to 3,520,029.72, 4,857,642.99 and 1,910,397.72 is: 2,636,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,029.72 : 4,857,642.99 = 1,910,397.72 : x
  2. Step 2: Convert to fraction form
    3,520,029.72/4,857,642.99 = 1,910,397.72/x
  3. Step 3: Cross multiply
    3,520,029.72x = 4,857,642.99 × 1,910,397.72
  4. Step 4: Simplify right side
    3,520,029.72x = 9,280,030,092,669.98
  5. Step 5: Solve for x
    x = 9,280,030,092,669.98/3,520,029.72
  6. Step 6: Final answer
    x = 2,636,349.93

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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.