Home / 2,939,281.20-4,055,928.12-1,649,826

Finding the Fourth Proportional to 2,939,281.20, 4,055,928.12 and 1,649,826

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Solution

The fourth proportional to 2,939,281.20, 4,055,928.12 and 1,649,826 is: 2,276,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,281.20 : 4,055,928.12 = 1,649,826 : x
  2. Step 2: Convert to fraction form
    2,939,281.20/4,055,928.12 = 1,649,826/x
  3. Step 3: Cross multiply
    2,939,281.20x = 4,055,928.12 × 1,649,826
  4. Step 4: Simplify right side
    2,939,281.20x = 6,691,575,666,507.12
  5. Step 5: Solve for x
    x = 6,691,575,666,507.12/2,939,281.20
  6. Step 6: Final answer
    x = 2,276,602.75

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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.