Home / 3,979,802.60-5,492,146.08-2,261,017.40

Finding the Fourth Proportional to 3,979,802.60, 5,492,146.08 and 2,261,017.40

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Solution

The fourth proportional to 3,979,802.60, 5,492,146.08 and 2,261,017.40 is: 3,120,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,802.60 : 5,492,146.08 = 2,261,017.40 : x
  2. Step 2: Convert to fraction form
    3,979,802.60/5,492,146.08 = 2,261,017.40/x
  3. Step 3: Cross multiply
    3,979,802.60x = 5,492,146.08 × 2,261,017.40
  4. Step 4: Simplify right side
    3,979,802.60x = 12,417,837,850,221.79
  5. Step 5: Solve for x
    x = 12,417,837,850,221.79/3,979,802.60
  6. Step 6: Final answer
    x = 3,120,214.52

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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.