Home / 2,678,947.20-4,019,798.70-1,480,646.16

Finding the Fourth Proportional to 2,678,947.20, 4,019,798.70 and 1,480,646.16

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Solution

The fourth proportional to 2,678,947.20, 4,019,798.70 and 1,480,646.16 is: 2,221,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,947.20 : 4,019,798.70 = 1,480,646.16 : x
  2. Step 2: Convert to fraction form
    2,678,947.20/4,019,798.70 = 1,480,646.16/x
  3. Step 3: Cross multiply
    2,678,947.20x = 4,019,798.70 × 1,480,646.16
  4. Step 4: Simplify right side
    2,678,947.20x = 5,951,899,509,127.99
  5. Step 5: Solve for x
    x = 5,951,899,509,127.99/2,678,947.20
  6. Step 6: Final answer
    x = 2,221,730.80

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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.