Home / 2,209,684.80-3,316,276.80-862,492.80

Finding the Fourth Proportional to 2,209,684.80, 3,316,276.80 and 862,492.80

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Solution

The fourth proportional to 2,209,684.80, 3,316,276.80 and 862,492.80 is: 1,294,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,684.80 : 3,316,276.80 = 862,492.80 : x
  2. Step 2: Convert to fraction form
    2,209,684.80/3,316,276.80 = 862,492.80/x
  3. Step 3: Cross multiply
    2,209,684.80x = 3,316,276.80 × 862,492.80
  4. Step 4: Simplify right side
    2,209,684.80x = 2,860,264,862,807.04
  5. Step 5: Solve for x
    x = 2,860,264,862,807.04/2,209,684.80
  6. Step 6: Final answer
    x = 1,294,422.11

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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.