Home / 5,280,796.90-7,915,946.55-2,435,947.30

Finding the Fourth Proportional to 5,280,796.90, 7,915,946.55 and 2,435,947.30

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Solution

The fourth proportional to 5,280,796.90, 7,915,946.55 and 2,435,947.30 is: 3,651,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,796.90 : 7,915,946.55 = 2,435,947.30 : x
  2. Step 2: Convert to fraction form
    5,280,796.90/7,915,946.55 = 2,435,947.30/x
  3. Step 3: Cross multiply
    5,280,796.90x = 7,915,946.55 × 2,435,947.30
  4. Step 4: Simplify right side
    5,280,796.90x = 19,282,828,625,416.81
  5. Step 5: Solve for x
    x = 19,282,828,625,416.81/5,280,796.90
  6. Step 6: Final answer
    x = 3,651,499.76

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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.