Home / 5,345,399.28-8,019,278.28-1,559,178.48

Finding the Fourth Proportional to 5,345,399.28, 8,019,278.28 and 1,559,178.48

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Solution

The fourth proportional to 5,345,399.28, 8,019,278.28 and 1,559,178.48 is: 2,339,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,399.28 : 8,019,278.28 = 1,559,178.48 : x
  2. Step 2: Convert to fraction form
    5,345,399.28/8,019,278.28 = 1,559,178.48/x
  3. Step 3: Cross multiply
    5,345,399.28x = 8,019,278.28 × 1,559,178.48
  4. Step 4: Simplify right side
    5,345,399.28x = 12,503,486,119,307.41
  5. Step 5: Solve for x
    x = 12,503,486,119,307.41/5,345,399.28
  6. Step 6: Final answer
    x = 2,339,111.72

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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.