Home / 2,666,328.28-3,678,486.06-1,548,526.76

Finding the Fourth Proportional to 2,666,328.28, 3,678,486.06 and 1,548,526.76

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Solution

The fourth proportional to 2,666,328.28, 3,678,486.06 and 1,548,526.76 is: 2,136,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,328.28 : 3,678,486.06 = 1,548,526.76 : x
  2. Step 2: Convert to fraction form
    2,666,328.28/3,678,486.06 = 1,548,526.76/x
  3. Step 3: Cross multiply
    2,666,328.28x = 3,678,486.06 × 1,548,526.76
  4. Step 4: Simplify right side
    2,666,328.28x = 5,696,234,100,196.97
  5. Step 5: Solve for x
    x = 5,696,234,100,196.97/2,666,328.28
  6. Step 6: Final answer
    x = 2,136,358.88

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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.