Home / 4,748,424.79-7,124,785.91-1,868,998.72

Finding the Fourth Proportional to 4,748,424.79, 7,124,785.91 and 1,868,998.72

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Solution

The fourth proportional to 4,748,424.79, 7,124,785.91 and 1,868,998.72 is: 2,804,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748,424.79 : 7,124,785.91 = 1,868,998.72 : x
  2. Step 2: Convert to fraction form
    4,748,424.79/7,124,785.91 = 1,868,998.72/x
  3. Step 3: Cross multiply
    4,748,424.79x = 7,124,785.91 × 1,868,998.72
  4. Step 4: Simplify right side
    4,748,424.79x = 13,316,215,746,064.04
  5. Step 5: Solve for x
    x = 13,316,215,746,064.04/4,748,424.79
  6. Step 6: Final answer
    x = 2,804,343.83

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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.