Home / 3,087,315.96-4,630,553.54-812,649.88

Finding the Fourth Proportional to 3,087,315.96, 4,630,553.54 and 812,649.88

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Solution

The fourth proportional to 3,087,315.96, 4,630,553.54 and 812,649.88 is: 1,218,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,315.96 : 4,630,553.54 = 812,649.88 : x
  2. Step 2: Convert to fraction form
    3,087,315.96/4,630,553.54 = 812,649.88/x
  3. Step 3: Cross multiply
    3,087,315.96x = 4,630,553.54 × 812,649.88
  4. Step 4: Simplify right side
    3,087,315.96x = 3,763,018,778,614.58
  5. Step 5: Solve for x
    x = 3,763,018,778,614.58/3,087,315.96
  6. Step 6: Final answer
    x = 1,218,864.16

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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.