Home / 6,456,879-8,909,712.72-3,703,424.40

Finding the Fourth Proportional to 6,456,879, 8,909,712.72 and 3,703,424.40

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Solution

The fourth proportional to 6,456,879, 8,909,712.72 and 3,703,424.40 is: 5,110,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456,879 : 8,909,712.72 = 3,703,424.40 : x
  2. Step 2: Convert to fraction form
    6,456,879/8,909,712.72 = 3,703,424.40/x
  3. Step 3: Cross multiply
    6,456,879x = 8,909,712.72 × 3,703,424.40
  4. Step 4: Simplify right side
    6,456,879x = 32,996,447,484,238.37
  5. Step 5: Solve for x
    x = 32,996,447,484,238.37/6,456,879
  6. Step 6: Final answer
    x = 5,110,278.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.