Home / 3,208,906.12-4,428,296.72-1,758,655.40

Finding the Fourth Proportional to 3,208,906.12, 4,428,296.72 and 1,758,655.40

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Solution

The fourth proportional to 3,208,906.12, 4,428,296.72 and 1,758,655.40 is: 2,426,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,906.12 : 4,428,296.72 = 1,758,655.40 : x
  2. Step 2: Convert to fraction form
    3,208,906.12/4,428,296.72 = 1,758,655.40/x
  3. Step 3: Cross multiply
    3,208,906.12x = 4,428,296.72 × 1,758,655.40
  4. Step 4: Simplify right side
    3,208,906.12x = 7,787,847,939,430.29
  5. Step 5: Solve for x
    x = 7,787,847,939,430.29/3,208,906.12
  6. Step 6: Final answer
    x = 2,426,947.89

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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.