Home / 1,869,780.60-2,580,502.24-1,085,019.38

Finding the Fourth Proportional to 1,869,780.60, 2,580,502.24 and 1,085,019.38

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Solution

The fourth proportional to 1,869,780.60, 2,580,502.24 and 1,085,019.38 is: 1,497,445.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,780.60 : 2,580,502.24 = 1,085,019.38 : x
  2. Step 2: Convert to fraction form
    1,869,780.60/2,580,502.24 = 1,085,019.38/x
  3. Step 3: Cross multiply
    1,869,780.60x = 2,580,502.24 × 1,085,019.38
  4. Step 4: Simplify right side
    1,869,780.60x = 2,799,894,940,533.41
  5. Step 5: Solve for x
    x = 2,799,894,940,533.41/1,869,780.60
  6. Step 6: Final answer
    x = 1,497,445.71

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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.