Home / 2,605,655.20-3,908,294.40-808,492.80

Finding the Fourth Proportional to 2,605,655.20, 3,908,294.40 and 808,492.80

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Solution

The fourth proportional to 2,605,655.20, 3,908,294.40 and 808,492.80 is: 1,212,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,655.20 : 3,908,294.40 = 808,492.80 : x
  2. Step 2: Convert to fraction form
    2,605,655.20/3,908,294.40 = 808,492.80/x
  3. Step 3: Cross multiply
    2,605,655.20x = 3,908,294.40 × 808,492.80
  4. Step 4: Simplify right side
    2,605,655.20x = 3,159,827,882,680.32
  5. Step 5: Solve for x
    x = 3,159,827,882,680.32/2,605,655.20
  6. Step 6: Final answer
    x = 1,212,680.74

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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.