Home / 2,500,355.79-3,739,852.62-2,087,515.80

Finding the Fourth Proportional to 2,500,355.79, 3,739,852.62 and 2,087,515.80

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Solution

The fourth proportional to 2,500,355.79, 3,739,852.62 and 2,087,515.80 is: 3,122,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,355.79 : 3,739,852.62 = 2,087,515.80 : x
  2. Step 2: Convert to fraction form
    2,500,355.79/3,739,852.62 = 2,087,515.80/x
  3. Step 3: Cross multiply
    2,500,355.79x = 3,739,852.62 × 2,087,515.80
  4. Step 4: Simplify right side
    2,500,355.79x = 7,807,001,433,921.40
  5. Step 5: Solve for x
    x = 7,807,001,433,921.40/2,500,355.79
  6. Step 6: Final answer
    x = 3,122,356.21

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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.