Home / 1,798,989.35-2,482,366.10-1,155,281.47

Finding the Fourth Proportional to 1,798,989.35, 2,482,366.10 and 1,155,281.47

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Solution

The fourth proportional to 1,798,989.35, 2,482,366.10 and 1,155,281.47 is: 1,594,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,989.35 : 2,482,366.10 = 1,155,281.47 : x
  2. Step 2: Convert to fraction form
    1,798,989.35/2,482,366.10 = 1,155,281.47/x
  3. Step 3: Cross multiply
    1,798,989.35x = 2,482,366.10 × 1,155,281.47
  4. Step 4: Simplify right side
    1,798,989.35x = 2,867,831,545,103.85
  5. Step 5: Solve for x
    x = 2,867,831,545,103.85/1,798,989.35
  6. Step 6: Final answer
    x = 1,594,134.81

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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.