Home / 3,501,784.40-5,249,566.20-2,080,331.60

Finding the Fourth Proportional to 3,501,784.40, 5,249,566.20 and 2,080,331.60

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Solution

The fourth proportional to 3,501,784.40, 5,249,566.20 and 2,080,331.60 is: 3,118,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501,784.40 : 5,249,566.20 = 2,080,331.60 : x
  2. Step 2: Convert to fraction form
    3,501,784.40/5,249,566.20 = 2,080,331.60/x
  3. Step 3: Cross multiply
    3,501,784.40x = 5,249,566.20 × 2,080,331.60
  4. Step 4: Simplify right side
    3,501,784.40x = 10,920,838,452,151.92
  5. Step 5: Solve for x
    x = 10,920,838,452,151.92/3,501,784.40
  6. Step 6: Final answer
    x = 3,118,649.58

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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.