Home / 2,587,390.80-3,881,086.20-2,545,400.40

Finding the Fourth Proportional to 2,587,390.80, 3,881,086.20 and 2,545,400.40

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Solution

The fourth proportional to 2,587,390.80, 3,881,086.20 and 2,545,400.40 is: 3,818,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,390.80 : 3,881,086.20 = 2,545,400.40 : x
  2. Step 2: Convert to fraction form
    2,587,390.80/3,881,086.20 = 2,545,400.40/x
  3. Step 3: Cross multiply
    2,587,390.80x = 3,881,086.20 × 2,545,400.40
  4. Step 4: Simplify right side
    2,587,390.80x = 9,878,918,365,914.48
  5. Step 5: Solve for x
    x = 9,878,918,365,914.48/2,587,390.80
  6. Step 6: Final answer
    x = 3,818,100.60

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1.5x scale

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.