Home / 2,891,817.40-4,333,578.90-2,127,695.80

Finding the Fourth Proportional to 2,891,817.40, 4,333,578.90 and 2,127,695.80

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Solution

The fourth proportional to 2,891,817.40, 4,333,578.90 and 2,127,695.80 is: 3,188,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,817.40 : 4,333,578.90 = 2,127,695.80 : x
  2. Step 2: Convert to fraction form
    2,891,817.40/4,333,578.90 = 2,127,695.80/x
  3. Step 3: Cross multiply
    2,891,817.40x = 4,333,578.90 × 2,127,695.80
  4. Step 4: Simplify right side
    2,891,817.40x = 9,220,537,624,498.62
  5. Step 5: Solve for x
    x = 9,220,537,624,498.62/2,891,817.40
  6. Step 6: Final answer
    x = 3,188,492.34

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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.