Home / 2,478,073.72-3,718,225.75-1,339,502.89

Finding the Fourth Proportional to 2,478,073.72, 3,718,225.75 and 1,339,502.89

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Solution

The fourth proportional to 2,478,073.72, 3,718,225.75 and 1,339,502.89 is: 2,009,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478,073.72 : 3,718,225.75 = 1,339,502.89 : x
  2. Step 2: Convert to fraction form
    2,478,073.72/3,718,225.75 = 1,339,502.89/x
  3. Step 3: Cross multiply
    2,478,073.72x = 3,718,225.75 × 1,339,502.89
  4. Step 4: Simplify right side
    2,478,073.72x = 4,980,574,137,797.42
  5. Step 5: Solve for x
    x = 4,980,574,137,797.42/2,478,073.72
  6. Step 6: Final answer
    x = 2,009,857.13

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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.