Home / 2,784,518.16-4,176,780.39-762,779.40

Finding the Fourth Proportional to 2,784,518.16, 4,176,780.39 and 762,779.40

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Solution

The fourth proportional to 2,784,518.16, 4,176,780.39 and 762,779.40 is: 1,144,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,518.16 : 4,176,780.39 = 762,779.40 : x
  2. Step 2: Convert to fraction form
    2,784,518.16/4,176,780.39 = 762,779.40/x
  3. Step 3: Cross multiply
    2,784,518.16x = 4,176,780.39 × 762,779.40
  4. Step 4: Simplify right side
    2,784,518.16x = 3,185,962,039,815.97
  5. Step 5: Solve for x
    x = 3,185,962,039,815.97/2,784,518.16
  6. Step 6: Final answer
    x = 1,144,169.96

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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.