Home / 3,114,079.90-4,668,878.03-1,913,521.76

Finding the Fourth Proportional to 3,114,079.90, 4,668,878.03 and 1,913,521.76

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Solution

The fourth proportional to 3,114,079.90, 4,668,878.03 and 1,913,521.76 is: 2,868,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,079.90 : 4,668,878.03 = 1,913,521.76 : x
  2. Step 2: Convert to fraction form
    3,114,079.90/4,668,878.03 = 1,913,521.76/x
  3. Step 3: Cross multiply
    3,114,079.90x = 4,668,878.03 × 1,913,521.76
  4. Step 4: Simplify right side
    3,114,079.90x = 8,933,999,705,190.93
  5. Step 5: Solve for x
    x = 8,933,999,705,190.93/3,114,079.90
  6. Step 6: Final answer
    x = 2,868,905.10

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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.