Home / 3,179,365.12-4,385,303.04-2,158,998.40

Finding the Fourth Proportional to 3,179,365.12, 4,385,303.04 and 2,158,998.40

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Solution

The fourth proportional to 3,179,365.12, 4,385,303.04 and 2,158,998.40 is: 2,977,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,365.12 : 4,385,303.04 = 2,158,998.40 : x
  2. Step 2: Convert to fraction form
    3,179,365.12/4,385,303.04 = 2,158,998.40/x
  3. Step 3: Cross multiply
    3,179,365.12x = 4,385,303.04 × 2,158,998.40
  4. Step 4: Simplify right side
    3,179,365.12x = 9,467,862,246,875.14
  5. Step 5: Solve for x
    x = 9,467,862,246,875.14/3,179,365.12
  6. Step 6: Final answer
    x = 2,977,909.71

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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.