Home / 5,666,382.78-8,498,362.29-1,621,784.70

Finding the Fourth Proportional to 5,666,382.78, 8,498,362.29 and 1,621,784.70

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Solution

The fourth proportional to 5,666,382.78, 8,498,362.29 and 1,621,784.70 is: 2,432,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,382.78 : 8,498,362.29 = 1,621,784.70 : x
  2. Step 2: Convert to fraction form
    5,666,382.78/8,498,362.29 = 1,621,784.70/x
  3. Step 3: Cross multiply
    5,666,382.78x = 8,498,362.29 × 1,621,784.70
  4. Step 4: Simplify right side
    5,666,382.78x = 13,782,513,936,978.96
  5. Step 5: Solve for x
    x = 13,782,513,936,978.96/5,666,382.78
  6. Step 6: Final answer
    x = 2,432,330.20

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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.