Home / 5,251,669.48-7,878,345.16-2,219,065.12

Finding the Fourth Proportional to 5,251,669.48, 7,878,345.16 and 2,219,065.12

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Solution

The fourth proportional to 5,251,669.48, 7,878,345.16 and 2,219,065.12 is: 3,328,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,669.48 : 7,878,345.16 = 2,219,065.12 : x
  2. Step 2: Convert to fraction form
    5,251,669.48/7,878,345.16 = 2,219,065.12/x
  3. Step 3: Cross multiply
    5,251,669.48x = 7,878,345.16 × 2,219,065.12
  4. Step 4: Simplify right side
    5,251,669.48x = 17,482,560,947,876.82
  5. Step 5: Solve for x
    x = 17,482,560,947,876.82/5,251,669.48
  6. Step 6: Final answer
    x = 3,328,953.01

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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.