Home / 2,985,429.12-4,478,163.84-1,091,391.36

Finding the Fourth Proportional to 2,985,429.12, 4,478,163.84 and 1,091,391.36

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Solution

The fourth proportional to 2,985,429.12, 4,478,163.84 and 1,091,391.36 is: 1,637,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,429.12 : 4,478,163.84 = 1,091,391.36 : x
  2. Step 2: Convert to fraction form
    2,985,429.12/4,478,163.84 = 1,091,391.36/x
  3. Step 3: Cross multiply
    2,985,429.12x = 4,478,163.84 × 1,091,391.36
  4. Step 4: Simplify right side
    2,985,429.12x = 4,887,429,323,640.42
  5. Step 5: Solve for x
    x = 4,887,429,323,640.42/2,985,429.12
  6. Step 6: Final answer
    x = 1,637,094.41

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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.