Home / 1,449,341.40-2,174,012.10-1,289,909.10

Finding the Fourth Proportional to 1,449,341.40, 2,174,012.10 and 1,289,909.10

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Solution

The fourth proportional to 1,449,341.40, 2,174,012.10 and 1,289,909.10 is: 1,934,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,341.40 : 2,174,012.10 = 1,289,909.10 : x
  2. Step 2: Convert to fraction form
    1,449,341.40/2,174,012.10 = 1,289,909.10/x
  3. Step 3: Cross multiply
    1,449,341.40x = 2,174,012.10 × 1,289,909.10
  4. Step 4: Simplify right side
    1,449,341.40x = 2,804,277,991,300.11
  5. Step 5: Solve for x
    x = 2,804,277,991,300.11/1,449,341.40
  6. Step 6: Final answer
    x = 1,934,863.65

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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.