Home / 2,651,762.40-3,977,643.60-1,643,992.80

Finding the Fourth Proportional to 2,651,762.40, 3,977,643.60 and 1,643,992.80

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Solution

The fourth proportional to 2,651,762.40, 3,977,643.60 and 1,643,992.80 is: 2,465,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651,762.40 : 3,977,643.60 = 1,643,992.80 : x
  2. Step 2: Convert to fraction form
    2,651,762.40/3,977,643.60 = 1,643,992.80/x
  3. Step 3: Cross multiply
    2,651,762.40x = 3,977,643.60 × 1,643,992.80
  4. Step 4: Simplify right side
    2,651,762.40x = 6,539,217,439,366.08
  5. Step 5: Solve for x
    x = 6,539,217,439,366.08/2,651,762.40
  6. Step 6: Final answer
    x = 2,465,989.20

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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.