Home / 3,979,798.60-5,492,140.56-2,261,013.40

Finding the Fourth Proportional to 3,979,798.60, 5,492,140.56 and 2,261,013.40

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Solution

The fourth proportional to 3,979,798.60, 5,492,140.56 and 2,261,013.40 is: 3,120,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,798.60 : 5,492,140.56 = 2,261,013.40 : x
  2. Step 2: Convert to fraction form
    3,979,798.60/5,492,140.56 = 2,261,013.40/x
  3. Step 3: Cross multiply
    3,979,798.60x = 5,492,140.56 × 2,261,013.40
  4. Step 4: Simplify right side
    3,979,798.60x = 12,417,803,400,843.50
  5. Step 5: Solve for x
    x = 12,417,803,400,843.50/3,979,798.60
  6. Step 6: Final answer
    x = 3,120,209.00

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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.