Home / 2,078,581.80-3,115,539.90-880,300.20

Finding the Fourth Proportional to 2,078,581.80, 3,115,539.90 and 880,300.20

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Solution

The fourth proportional to 2,078,581.80, 3,115,539.90 and 880,300.20 is: 1,319,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,581.80 : 3,115,539.90 = 880,300.20 : x
  2. Step 2: Convert to fraction form
    2,078,581.80/3,115,539.90 = 880,300.20/x
  3. Step 3: Cross multiply
    2,078,581.80x = 3,115,539.90 × 880,300.20
  4. Step 4: Simplify right side
    2,078,581.80x = 2,742,610,397,077.98
  5. Step 5: Solve for x
    x = 2,742,610,397,077.98/2,078,581.80
  6. Step 6: Final answer
    x = 1,319,462.34

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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.