Home / 1,811,124.60-2,719,797.30-1,282,356.60

Finding the Fourth Proportional to 1,811,124.60, 2,719,797.30 and 1,282,356.60

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Solution

The fourth proportional to 1,811,124.60, 2,719,797.30 and 1,282,356.60 is: 1,925,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,124.60 : 2,719,797.30 = 1,282,356.60 : x
  2. Step 2: Convert to fraction form
    1,811,124.60/2,719,797.30 = 1,282,356.60/x
  3. Step 3: Cross multiply
    1,811,124.60x = 2,719,797.30 × 1,282,356.60
  4. Step 4: Simplify right side
    1,811,124.60x = 3,487,750,018,317.18
  5. Step 5: Solve for x
    x = 3,487,750,018,317.18/1,811,124.60
  6. Step 6: Final answer
    x = 1,925,737.20

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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.