Home / 6,456,586.29-8,909,429.70-3,975,412.92

Finding the Fourth Proportional to 6,456,586.29, 8,909,429.70 and 3,975,412.92

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Solution

The fourth proportional to 6,456,586.29, 8,909,429.70 and 3,975,412.92 is: 5,485,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,586.29 : 8,909,429.70 = 3,975,412.92 : x
  2. Step 2: Convert to fraction form
    6,456,586.29/8,909,429.70 = 3,975,412.92/x
  3. Step 3: Cross multiply
    6,456,586.29x = 8,909,429.70 × 3,975,412.92
  4. Step 4: Simplify right side
    6,456,586.29x = 35,418,661,939,211.72
  5. Step 5: Solve for x
    x = 35,418,661,939,211.72/6,456,586.29
  6. Step 6: Final answer
    x = 5,485,663.84

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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.