Home / 2,620,642.36-3,931,309.42-914,816.38

Finding the Fourth Proportional to 2,620,642.36, 3,931,309.42 and 914,816.38

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Solution

The fourth proportional to 2,620,642.36, 3,931,309.42 and 914,816.38 is: 1,372,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,642.36 : 3,931,309.42 = 914,816.38 : x
  2. Step 2: Convert to fraction form
    2,620,642.36/3,931,309.42 = 914,816.38/x
  3. Step 3: Cross multiply
    2,620,642.36x = 3,931,309.42 × 914,816.38
  4. Step 4: Simplify right side
    2,620,642.36x = 3,596,426,252,264.30
  5. Step 5: Solve for x
    x = 3,596,426,252,264.30/2,620,642.36
  6. Step 6: Final answer
    x = 1,372,345.31

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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.