Home / 2,877,460.20-4,311,006.30-1,378,247.40

Finding the Fourth Proportional to 2,877,460.20, 4,311,006.30 and 1,378,247.40

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Solution

The fourth proportional to 2,877,460.20, 4,311,006.30 and 1,378,247.40 is: 2,064,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,460.20 : 4,311,006.30 = 1,378,247.40 : x
  2. Step 2: Convert to fraction form
    2,877,460.20/4,311,006.30 = 1,378,247.40/x
  3. Step 3: Cross multiply
    2,877,460.20x = 4,311,006.30 × 1,378,247.40
  4. Step 4: Simplify right side
    2,877,460.20x = 5,941,633,224,358.62
  5. Step 5: Solve for x
    x = 5,941,633,224,358.62/2,877,460.20
  6. Step 6: Final answer
    x = 2,064,888.06

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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.