Home / 2,818,891.50-3,890,072.76-1,529,731.88

Finding the Fourth Proportional to 2,818,891.50, 3,890,072.76 and 1,529,731.88

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Solution

The fourth proportional to 2,818,891.50, 3,890,072.76 and 1,529,731.88 is: 2,111,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,891.50 : 3,890,072.76 = 1,529,731.88 : x
  2. Step 2: Convert to fraction form
    2,818,891.50/3,890,072.76 = 1,529,731.88/x
  3. Step 3: Cross multiply
    2,818,891.50x = 3,890,072.76 × 1,529,731.88
  4. Step 4: Simplify right side
    2,818,891.50x = 5,950,768,316,491.59
  5. Step 5: Solve for x
    x = 5,950,768,316,491.59/2,818,891.50
  6. Step 6: Final answer
    x = 2,111,031.35

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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.