Home / 1,897,513.20-2,618,814.78-1,172,712.24

Finding the Fourth Proportional to 1,897,513.20, 2,618,814.78 and 1,172,712.24

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Solution

The fourth proportional to 1,897,513.20, 2,618,814.78 and 1,172,712.24 is: 1,618,495.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,513.20 : 2,618,814.78 = 1,172,712.24 : x
  2. Step 2: Convert to fraction form
    1,897,513.20/2,618,814.78 = 1,172,712.24/x
  3. Step 3: Cross multiply
    1,897,513.20x = 2,618,814.78 × 1,172,712.24
  4. Step 4: Simplify right side
    1,897,513.20x = 3,071,116,146,798.91
  5. Step 5: Solve for x
    x = 3,071,116,146,798.91/1,897,513.20
  6. Step 6: Final answer
    x = 1,618,495.27

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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.