Home / 2,909,627.88-4,015,410.84-1,620,468

Finding the Fourth Proportional to 2,909,627.88, 4,015,410.84 and 1,620,468

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Solution

The fourth proportional to 2,909,627.88, 4,015,410.84 and 1,620,468 is: 2,236,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,627.88 : 4,015,410.84 = 1,620,468 : x
  2. Step 2: Convert to fraction form
    2,909,627.88/4,015,410.84 = 1,620,468/x
  3. Step 3: Cross multiply
    2,909,627.88x = 4,015,410.84 × 1,620,468
  4. Step 4: Simplify right side
    2,909,627.88x = 6,506,844,773,073.12
  5. Step 5: Solve for x
    x = 6,506,844,773,073.12/2,909,627.88
  6. Step 6: Final answer
    x = 2,236,315.10

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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.