Home / 2,980,896.96-4,472,005.20-1,087,632.90

Finding the Fourth Proportional to 2,980,896.96, 4,472,005.20 and 1,087,632.90

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Solution

The fourth proportional to 2,980,896.96, 4,472,005.20 and 1,087,632.90 is: 1,631,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,896.96 : 4,472,005.20 = 1,087,632.90 : x
  2. Step 2: Convert to fraction form
    2,980,896.96/4,472,005.20 = 1,087,632.90/x
  3. Step 3: Cross multiply
    2,980,896.96x = 4,472,005.20 × 1,087,632.90
  4. Step 4: Simplify right side
    2,980,896.96x = 4,863,899,984,491.08
  5. Step 5: Solve for x
    x = 4,863,899,984,491.08/2,980,896.96
  6. Step 6: Final answer
    x = 1,631,690.08

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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.