Home / 1,814,417.76-2,718,516.24-1,280,984.16

Finding the Fourth Proportional to 1,814,417.76, 2,718,516.24 and 1,280,984.16

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Solution

The fourth proportional to 1,814,417.76, 2,718,516.24 and 1,280,984.16 is: 1,919,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,417.76 : 2,718,516.24 = 1,280,984.16 : x
  2. Step 2: Convert to fraction form
    1,814,417.76/2,718,516.24 = 1,280,984.16/x
  3. Step 3: Cross multiply
    1,814,417.76x = 2,718,516.24 × 1,280,984.16
  4. Step 4: Simplify right side
    1,814,417.76x = 3,482,376,242,142.76
  5. Step 5: Solve for x
    x = 3,482,376,242,142.76/1,814,417.76
  6. Step 6: Final answer
    x = 1,919,280.29

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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.