Home / 1,454,983.20-2,178,748.32-1,214,499.16

Finding the Fourth Proportional to 1,454,983.20, 2,178,748.32 and 1,214,499.16

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Solution

The fourth proportional to 1,454,983.20, 2,178,748.32 and 1,214,499.16 is: 1,818,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,983.20 : 2,178,748.32 = 1,214,499.16 : x
  2. Step 2: Convert to fraction form
    1,454,983.20/2,178,748.32 = 1,214,499.16/x
  3. Step 3: Cross multiply
    1,454,983.20x = 2,178,748.32 × 1,214,499.16
  4. Step 4: Simplify right side
    1,454,983.20x = 2,646,088,004,491.41
  5. Step 5: Solve for x
    x = 2,646,088,004,491.41/1,454,983.20
  6. Step 6: Final answer
    x = 1,818,638.18

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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.