Home / 4,818,717.18-6,648,714.63-2,884,242.78

Finding the Fourth Proportional to 4,818,717.18, 6,648,714.63 and 2,884,242.78

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Solution

The fourth proportional to 4,818,717.18, 6,648,714.63 and 2,884,242.78 is: 3,979,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,717.18 : 6,648,714.63 = 2,884,242.78 : x
  2. Step 2: Convert to fraction form
    4,818,717.18/6,648,714.63 = 2,884,242.78/x
  3. Step 3: Cross multiply
    4,818,717.18x = 6,648,714.63 × 2,884,242.78
  4. Step 4: Simplify right side
    4,818,717.18x = 19,176,507,167,857.87
  5. Step 5: Solve for x
    x = 19,176,507,167,857.87/4,818,717.18
  6. Step 6: Final answer
    x = 3,979,587.61

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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.