Home / 3,087,695.12-4,259,622.02-1,863,609.35

Finding the Fourth Proportional to 3,087,695.12, 4,259,622.02 and 1,863,609.35

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Solution

The fourth proportional to 3,087,695.12, 4,259,622.02 and 1,863,609.35 is: 2,570,937.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,695.12 : 4,259,622.02 = 1,863,609.35 : x
  2. Step 2: Convert to fraction form
    3,087,695.12/4,259,622.02 = 1,863,609.35/x
  3. Step 3: Cross multiply
    3,087,695.12x = 4,259,622.02 × 1,863,609.35
  4. Step 4: Simplify right side
    3,087,695.12x = 7,938,271,403,970.78
  5. Step 5: Solve for x
    x = 7,938,271,403,970.78/3,087,695.12
  6. Step 6: Final answer
    x = 2,570,937.58

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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.