Home / 1,368,617.40-2,049,038.10-1,294,140.60

Finding the Fourth Proportional to 1,368,617.40, 2,049,038.10 and 1,294,140.60

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Solution

The fourth proportional to 1,368,617.40, 2,049,038.10 and 1,294,140.60 is: 1,937,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,617.40 : 2,049,038.10 = 1,294,140.60 : x
  2. Step 2: Convert to fraction form
    1,368,617.40/2,049,038.10 = 1,294,140.60/x
  3. Step 3: Cross multiply
    1,368,617.40x = 2,049,038.10 × 1,294,140.60
  4. Step 4: Simplify right side
    1,368,617.40x = 2,651,743,396,156.86
  5. Step 5: Solve for x
    x = 2,651,743,396,156.86/1,368,617.40
  6. Step 6: Final answer
    x = 1,937,534.48

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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.