Home / 3,128,926.30-4,692,223.05-1,235,275.90

Finding the Fourth Proportional to 3,128,926.30, 4,692,223.05 and 1,235,275.90

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Solution

The fourth proportional to 3,128,926.30, 4,692,223.05 and 1,235,275.90 is: 1,852,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,926.30 : 4,692,223.05 = 1,235,275.90 : x
  2. Step 2: Convert to fraction form
    3,128,926.30/4,692,223.05 = 1,235,275.90/x
  3. Step 3: Cross multiply
    3,128,926.30x = 4,692,223.05 × 1,235,275.90
  4. Step 4: Simplify right side
    3,128,926.30x = 5,796,190,051,089.49
  5. Step 5: Solve for x
    x = 5,796,190,051,089.49/3,128,926.30
  6. Step 6: Final answer
    x = 1,852,453.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.