Home / 2,936,459.80-4,404,689.70-942,117.40

Finding the Fourth Proportional to 2,936,459.80, 4,404,689.70 and 942,117.40

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Solution

The fourth proportional to 2,936,459.80, 4,404,689.70 and 942,117.40 is: 1,413,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936,459.80 : 4,404,689.70 = 942,117.40 : x
  2. Step 2: Convert to fraction form
    2,936,459.80/4,404,689.70 = 942,117.40/x
  3. Step 3: Cross multiply
    2,936,459.80x = 4,404,689.70 × 942,117.40
  4. Step 4: Simplify right side
    2,936,459.80x = 4,149,734,807,970.78
  5. Step 5: Solve for x
    x = 4,149,734,807,970.78/2,936,459.80
  6. Step 6: Final answer
    x = 1,413,176.10

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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.