Home / 2,772,488.32-4,158,879.36-778,099.84

Finding the Fourth Proportional to 2,772,488.32, 4,158,879.36 and 778,099.84

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Solution

The fourth proportional to 2,772,488.32, 4,158,879.36 and 778,099.84 is: 1,167,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,488.32 : 4,158,879.36 = 778,099.84 : x
  2. Step 2: Convert to fraction form
    2,772,488.32/4,158,879.36 = 778,099.84/x
  3. Step 3: Cross multiply
    2,772,488.32x = 4,158,879.36 × 778,099.84
  4. Step 4: Simplify right side
    2,772,488.32x = 3,236,023,364,595.30
  5. Step 5: Solve for x
    x = 3,236,023,364,595.30/2,772,488.32
  6. Step 6: Final answer
    x = 1,167,190.98

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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.