Home / 3,119,005.35-4,678,508.03-1,775,312.55

Finding the Fourth Proportional to 3,119,005.35, 4,678,508.03 and 1,775,312.55

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Solution

The fourth proportional to 3,119,005.35, 4,678,508.03 and 1,775,312.55 is: 2,662,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,005.35 : 4,678,508.03 = 1,775,312.55 : x
  2. Step 2: Convert to fraction form
    3,119,005.35/4,678,508.03 = 1,775,312.55/x
  3. Step 3: Cross multiply
    3,119,005.35x = 4,678,508.03 × 1,775,312.55
  4. Step 4: Simplify right side
    3,119,005.35x = 8,305,814,012,058.22
  5. Step 5: Solve for x
    x = 8,305,814,012,058.22/3,119,005.35
  6. Step 6: Final answer
    x = 2,662,968.83

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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.