Home / 5,393,870.86-8,090,750.85-3,117,947.08

Finding the Fourth Proportional to 5,393,870.86, 8,090,750.85 and 3,117,947.08

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Solution

The fourth proportional to 5,393,870.86, 8,090,750.85 and 3,117,947.08 is: 4,676,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393,870.86 : 8,090,750.85 = 3,117,947.08 : x
  2. Step 2: Convert to fraction form
    5,393,870.86/8,090,750.85 = 3,117,947.08/x
  3. Step 3: Cross multiply
    5,393,870.86x = 8,090,750.85 × 3,117,947.08
  4. Step 4: Simplify right side
    5,393,870.86x = 25,226,532,987,765.02
  5. Step 5: Solve for x
    x = 25,226,532,987,765.02/5,393,870.86
  6. Step 6: Final answer
    x = 4,676,888.57

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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.