Home / 4,455,189.72-6,685,595.80-1,896,400.59

Finding the Fourth Proportional to 4,455,189.72, 6,685,595.80 and 1,896,400.59

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Solution

The fourth proportional to 4,455,189.72, 6,685,595.80 and 1,896,400.59 is: 2,845,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455,189.72 : 6,685,595.80 = 1,896,400.59 : x
  2. Step 2: Convert to fraction form
    4,455,189.72/6,685,595.80 = 1,896,400.59/x
  3. Step 3: Cross multiply
    4,455,189.72x = 6,685,595.80 × 1,896,400.59
  4. Step 4: Simplify right side
    4,455,189.72x = 12,678,567,819,621.52
  5. Step 5: Solve for x
    x = 12,678,567,819,621.52/4,455,189.72
  6. Step 6: Final answer
    x = 2,845,797.51

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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.