Home / 3,980,155.02-5,492,762.19-2,261,566.86

Finding the Fourth Proportional to 3,980,155.02, 5,492,762.19 and 2,261,566.86

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Solution

The fourth proportional to 3,980,155.02, 5,492,762.19 and 2,261,566.86 is: 3,121,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,155.02 : 5,492,762.19 = 2,261,566.86 : x
  2. Step 2: Convert to fraction form
    3,980,155.02/5,492,762.19 = 2,261,566.86/x
  3. Step 3: Cross multiply
    3,980,155.02x = 5,492,762.19 × 2,261,566.86
  4. Step 4: Simplify right side
    3,980,155.02x = 12,422,248,938,765.02
  5. Step 5: Solve for x
    x = 12,422,248,938,765.02/3,980,155.02
  6. Step 6: Final answer
    x = 3,121,046.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.