Home / 1,878,153.60-2,812,910.40-1,542,230.40

Finding the Fourth Proportional to 1,878,153.60, 2,812,910.40 and 1,542,230.40

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Solution

The fourth proportional to 1,878,153.60, 2,812,910.40 and 1,542,230.40 is: 2,309,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,153.60 : 2,812,910.40 = 1,542,230.40 : x
  2. Step 2: Convert to fraction form
    1,878,153.60/2,812,910.40 = 1,542,230.40/x
  3. Step 3: Cross multiply
    1,878,153.60x = 2,812,910.40 × 1,542,230.40
  4. Step 4: Simplify right side
    1,878,153.60x = 4,338,155,931,356.16
  5. Step 5: Solve for x
    x = 4,338,155,931,356.16/1,878,153.60
  6. Step 6: Final answer
    x = 2,309,798.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.