Home / 1,811,948.65-2,718,251.03-911,123.35

Finding the Fourth Proportional to 1,811,948.65, 2,718,251.03 and 911,123.35

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Solution

The fourth proportional to 1,811,948.65, 2,718,251.03 and 911,123.35 is: 1,366,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,948.65 : 2,718,251.03 = 911,123.35 : x
  2. Step 2: Convert to fraction form
    1,811,948.65/2,718,251.03 = 911,123.35/x
  3. Step 3: Cross multiply
    1,811,948.65x = 2,718,251.03 × 911,123.35
  4. Step 4: Simplify right side
    1,811,948.65x = 2,476,661,980,038.93
  5. Step 5: Solve for x
    x = 2,476,661,980,038.93/1,811,948.65
  6. Step 6: Final answer
    x = 1,366,849.98

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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.