Home / 5,127,870.85-7,688,966.74-2,097,364.82

Finding the Fourth Proportional to 5,127,870.85, 7,688,966.74 and 2,097,364.82

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Solution

The fourth proportional to 5,127,870.85, 7,688,966.74 and 2,097,364.82 is: 3,144,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,870.85 : 7,688,966.74 = 2,097,364.82 : x
  2. Step 2: Convert to fraction form
    5,127,870.85/7,688,966.74 = 2,097,364.82/x
  3. Step 3: Cross multiply
    5,127,870.85x = 7,688,966.74 × 2,097,364.82
  4. Step 4: Simplify right side
    5,127,870.85x = 16,126,568,367,747.91
  5. Step 5: Solve for x
    x = 16,126,568,367,747.91/5,127,870.85
  6. Step 6: Final answer
    x = 3,144,885.83

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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.