Home / 5,509,235.60-8,263,853.40-1,913,807.60

Finding the Fourth Proportional to 5,509,235.60, 8,263,853.40 and 1,913,807.60

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Solution

The fourth proportional to 5,509,235.60, 8,263,853.40 and 1,913,807.60 is: 2,870,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,235.60 : 8,263,853.40 = 1,913,807.60 : x
  2. Step 2: Convert to fraction form
    5,509,235.60/8,263,853.40 = 1,913,807.60/x
  3. Step 3: Cross multiply
    5,509,235.60x = 8,263,853.40 × 1,913,807.60
  4. Step 4: Simplify right side
    5,509,235.60x = 15,815,425,442,205.84
  5. Step 5: Solve for x
    x = 15,815,425,442,205.84/5,509,235.60
  6. Step 6: Final answer
    x = 2,870,711.40

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Similar ratio
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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.