Home / 1,465,892.20-2,198,838.30-1,416,903.40

Finding the Fourth Proportional to 1,465,892.20, 2,198,838.30 and 1,416,903.40

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Solution

The fourth proportional to 1,465,892.20, 2,198,838.30 and 1,416,903.40 is: 2,125,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,892.20 : 2,198,838.30 = 1,416,903.40 : x
  2. Step 2: Convert to fraction form
    1,465,892.20/2,198,838.30 = 1,416,903.40/x
  3. Step 3: Cross multiply
    1,465,892.20x = 2,198,838.30 × 1,416,903.40
  4. Step 4: Simplify right side
    1,465,892.20x = 3,115,541,463,320.22
  5. Step 5: Solve for x
    x = 3,115,541,463,320.22/1,465,892.20
  6. Step 6: Final answer
    x = 2,125,355.10

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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.