Home / 2,910,698.40-4,017,059.28-1,621,748.64

Finding the Fourth Proportional to 2,910,698.40, 4,017,059.28 and 1,621,748.64

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Solution

The fourth proportional to 2,910,698.40, 4,017,059.28 and 1,621,748.64 is: 2,238,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,698.40 : 4,017,059.28 = 1,621,748.64 : x
  2. Step 2: Convert to fraction form
    2,910,698.40/4,017,059.28 = 1,621,748.64/x
  3. Step 3: Cross multiply
    2,910,698.40x = 4,017,059.28 × 1,621,748.64
  4. Step 4: Simplify right side
    2,910,698.40x = 6,514,660,424,139.38
  5. Step 5: Solve for x
    x = 6,514,660,424,139.38/2,910,698.40
  6. Step 6: Final answer
    x = 2,238,177.76

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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.