Home / 2,414,989.20-3,622,483.80-1,812,689.40

Finding the Fourth Proportional to 2,414,989.20, 3,622,483.80 and 1,812,689.40

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Solution

The fourth proportional to 2,414,989.20, 3,622,483.80 and 1,812,689.40 is: 2,719,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414,989.20 : 3,622,483.80 = 1,812,689.40 : x
  2. Step 2: Convert to fraction form
    2,414,989.20/3,622,483.80 = 1,812,689.40/x
  3. Step 3: Cross multiply
    2,414,989.20x = 3,622,483.80 × 1,812,689.40
  4. Step 4: Simplify right side
    2,414,989.20x = 6,566,437,985,931.72
  5. Step 5: Solve for x
    x = 6,566,437,985,931.72/2,414,989.20
  6. Step 6: Final answer
    x = 2,719,034.10

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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.