Home / 3,885,703.92-5,363,748.48-2,921,633.76

Finding the Fourth Proportional to 3,885,703.92, 5,363,748.48 and 2,921,633.76

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Solution

The fourth proportional to 3,885,703.92, 5,363,748.48 and 2,921,633.76 is: 4,032,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,703.92 : 5,363,748.48 = 2,921,633.76 : x
  2. Step 2: Convert to fraction form
    3,885,703.92/5,363,748.48 = 2,921,633.76/x
  3. Step 3: Cross multiply
    3,885,703.92x = 5,363,748.48 × 2,921,633.76
  4. Step 4: Simplify right side
    3,885,703.92x = 15,670,908,639,316.69
  5. Step 5: Solve for x
    x = 15,670,908,639,316.69/3,885,703.92
  6. Step 6: Final answer
    x = 4,032,965.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.