Home / 3,580,678.76-4,941,399.74-1,949,133.02

Finding the Fourth Proportional to 3,580,678.76, 4,941,399.74 and 1,949,133.02

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Solution

The fourth proportional to 3,580,678.76, 4,941,399.74 and 1,949,133.02 is: 2,689,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,678.76 : 4,941,399.74 = 1,949,133.02 : x
  2. Step 2: Convert to fraction form
    3,580,678.76/4,941,399.74 = 1,949,133.02/x
  3. Step 3: Cross multiply
    3,580,678.76x = 4,941,399.74 × 1,949,133.02
  4. Step 4: Simplify right side
    3,580,678.76x = 9,631,445,363,800.75
  5. Step 5: Solve for x
    x = 9,631,445,363,800.75/3,580,678.76
  6. Step 6: Final answer
    x = 2,689,837.88

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1.5x scale

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.