Home / 3,210,749.40-4,431,033.20-1,779,965.40

Finding the Fourth Proportional to 3,210,749.40, 4,431,033.20 and 1,779,965.40

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Solution

The fourth proportional to 3,210,749.40, 4,431,033.20 and 1,779,965.40 is: 2,456,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,749.40 : 4,431,033.20 = 1,779,965.40 : x
  2. Step 2: Convert to fraction form
    3,210,749.40/4,431,033.20 = 1,779,965.40/x
  3. Step 3: Cross multiply
    3,210,749.40x = 4,431,033.20 × 1,779,965.40
  4. Step 4: Simplify right side
    3,210,749.40x = 7,887,085,782,251.28
  5. Step 5: Solve for x
    x = 7,887,085,782,251.28/3,210,749.40
  6. Step 6: Final answer
    x = 2,456,462.59

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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.