Home / 2,590,178.80-3,885,268.20-2,478,204.40

Finding the Fourth Proportional to 2,590,178.80, 3,885,268.20 and 2,478,204.40

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Solution

The fourth proportional to 2,590,178.80, 3,885,268.20 and 2,478,204.40 is: 3,717,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,178.80 : 3,885,268.20 = 2,478,204.40 : x
  2. Step 2: Convert to fraction form
    2,590,178.80/3,885,268.20 = 2,478,204.40/x
  3. Step 3: Cross multiply
    2,590,178.80x = 3,885,268.20 × 2,478,204.40
  4. Step 4: Simplify right side
    2,590,178.80x = 9,628,488,748,420.08
  5. Step 5: Solve for x
    x = 9,628,488,748,420.08/2,590,178.80
  6. Step 6: Final answer
    x = 3,717,306.60

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Similar ratio
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1.5x scale

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.