Home / 3,190,176.20-4,402,120.02-1,966,285.64

Finding the Fourth Proportional to 3,190,176.20, 4,402,120.02 and 1,966,285.64

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Solution

The fourth proportional to 3,190,176.20, 4,402,120.02 and 1,966,285.64 is: 2,713,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,176.20 : 4,402,120.02 = 1,966,285.64 : x
  2. Step 2: Convert to fraction form
    3,190,176.20/4,402,120.02 = 1,966,285.64/x
  3. Step 3: Cross multiply
    3,190,176.20x = 4,402,120.02 × 1,966,285.64
  4. Step 4: Simplify right side
    3,190,176.20x = 8,655,825,380,882.51
  5. Step 5: Solve for x
    x = 8,655,825,380,882.51/3,190,176.20
  6. Step 6: Final answer
    x = 2,713,275.02

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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.