Home / 2,078,511.80-3,115,434.90-880,230.20

Finding the Fourth Proportional to 2,078,511.80, 3,115,434.90 and 880,230.20

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Solution

The fourth proportional to 2,078,511.80, 3,115,434.90 and 880,230.20 is: 1,319,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,511.80 : 3,115,434.90 = 880,230.20 : x
  2. Step 2: Convert to fraction form
    2,078,511.80/3,115,434.90 = 880,230.20/x
  3. Step 3: Cross multiply
    2,078,511.80x = 3,115,434.90 × 880,230.20
  4. Step 4: Simplify right side
    2,078,511.80x = 2,742,299,885,113.98
  5. Step 5: Solve for x
    x = 2,742,299,885,113.98/2,078,511.80
  6. Step 6: Final answer
    x = 1,319,357.38

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1.5x scale

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.