Home / 2,171,700.59-2,997,306.57-1,205,141.36

Finding the Fourth Proportional to 2,171,700.59, 2,997,306.57 and 1,205,141.36

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Solution

The fourth proportional to 2,171,700.59, 2,997,306.57 and 1,205,141.36 is: 1,663,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,700.59 : 2,997,306.57 = 1,205,141.36 : x
  2. Step 2: Convert to fraction form
    2,171,700.59/2,997,306.57 = 1,205,141.36/x
  3. Step 3: Cross multiply
    2,171,700.59x = 2,997,306.57 × 1,205,141.36
  4. Step 4: Simplify right side
    2,171,700.59x = 3,612,178,116,106.74
  5. Step 5: Solve for x
    x = 3,612,178,116,106.74/2,171,700.59
  6. Step 6: Final answer
    x = 1,663,294.72

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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.