Home / 4,991,386-6,888,116.52-2,699,543.76

Finding the Fourth Proportional to 4,991,386, 6,888,116.52 and 2,699,543.76

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Solution

The fourth proportional to 4,991,386, 6,888,116.52 and 2,699,543.76 is: 3,725,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,386 : 6,888,116.52 = 2,699,543.76 : x
  2. Step 2: Convert to fraction form
    4,991,386/6,888,116.52 = 2,699,543.76/x
  3. Step 3: Cross multiply
    4,991,386x = 6,888,116.52 × 2,699,543.76
  4. Step 4: Simplify right side
    4,991,386x = 18,594,771,969,718.91
  5. Step 5: Solve for x
    x = 18,594,771,969,718.91/4,991,386
  6. Step 6: Final answer
    x = 3,725,372.47

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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.