Home / 1,872,580.80-2,584,161.60-1,013,140.80

Finding the Fourth Proportional to 1,872,580.80, 2,584,161.60 and 1,013,140.80

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Solution

The fourth proportional to 1,872,580.80, 2,584,161.60 and 1,013,140.80 is: 1,398,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,580.80 : 2,584,161.60 = 1,013,140.80 : x
  2. Step 2: Convert to fraction form
    1,872,580.80/2,584,161.60 = 1,013,140.80/x
  3. Step 3: Cross multiply
    1,872,580.80x = 2,584,161.60 × 1,013,140.80
  4. Step 4: Simplify right side
    1,872,580.80x = 2,618,119,550,753.28
  5. Step 5: Solve for x
    x = 2,618,119,550,753.28/1,872,580.80
  6. Step 6: Final answer
    x = 1,398,134.36

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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.