Home / 1,910,649.26-2,636,716.88-1,039,488.90

Finding the Fourth Proportional to 1,910,649.26, 2,636,716.88 and 1,039,488.90

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Solution

The fourth proportional to 1,910,649.26, 2,636,716.88 and 1,039,488.90 is: 1,434,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,649.26 : 2,636,716.88 = 1,039,488.90 : x
  2. Step 2: Convert to fraction form
    1,910,649.26/2,636,716.88 = 1,039,488.90/x
  3. Step 3: Cross multiply
    1,910,649.26x = 2,636,716.88 × 1,039,488.90
  4. Step 4: Simplify right side
    1,910,649.26x = 2,740,837,931,801.35
  5. Step 5: Solve for x
    x = 2,740,837,931,801.35/1,910,649.26
  6. Step 6: Final answer
    x = 1,434,506.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.