Home / 3,553,815-5,330,718.36-1,157,655.78

Finding the Fourth Proportional to 3,553,815, 5,330,718.36 and 1,157,655.78

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Solution

The fourth proportional to 3,553,815, 5,330,718.36 and 1,157,655.78 is: 1,736,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,815 : 5,330,718.36 = 1,157,655.78 : x
  2. Step 2: Convert to fraction form
    3,553,815/5,330,718.36 = 1,157,655.78/x
  3. Step 3: Cross multiply
    3,553,815x = 5,330,718.36 × 1,157,655.78
  4. Step 4: Simplify right side
    3,553,815x = 6,171,136,921,006.12
  5. Step 5: Solve for x
    x = 6,171,136,921,006.12/3,553,815
  6. Step 6: Final answer
    x = 1,736,482.32

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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.