Home / 2,057,115.29-2,838,602.98-1,139,320.38

Finding the Fourth Proportional to 2,057,115.29, 2,838,602.98 and 1,139,320.38

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Solution

The fourth proportional to 2,057,115.29, 2,838,602.98 and 1,139,320.38 is: 1,572,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,115.29 : 2,838,602.98 = 1,139,320.38 : x
  2. Step 2: Convert to fraction form
    2,057,115.29/2,838,602.98 = 1,139,320.38/x
  3. Step 3: Cross multiply
    2,057,115.29x = 2,838,602.98 × 1,139,320.38
  4. Step 4: Simplify right side
    2,057,115.29x = 3,234,078,237,911.64
  5. Step 5: Solve for x
    x = 3,234,078,237,911.64/2,057,115.29
  6. Step 6: Final answer
    x = 1,572,142.44

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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.