Home / 2,719,500.60-4,080,806.10-1,878,655.80

Finding the Fourth Proportional to 2,719,500.60, 4,080,806.10 and 1,878,655.80

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Solution

The fourth proportional to 2,719,500.60, 4,080,806.10 and 1,878,655.80 is: 2,819,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,500.60 : 4,080,806.10 = 1,878,655.80 : x
  2. Step 2: Convert to fraction form
    2,719,500.60/4,080,806.10 = 1,878,655.80/x
  3. Step 3: Cross multiply
    2,719,500.60x = 4,080,806.10 × 1,878,655.80
  4. Step 4: Simplify right side
    2,719,500.60x = 7,666,430,048,440.38
  5. Step 5: Solve for x
    x = 7,666,430,048,440.38/2,719,500.60
  6. Step 6: Final answer
    x = 2,819,058.05

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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.