Home / 1,616,666.04-2,231,015.40-891,542.70

Finding the Fourth Proportional to 1,616,666.04, 2,231,015.40 and 891,542.70

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Solution

The fourth proportional to 1,616,666.04, 2,231,015.40 and 891,542.70 is: 1,230,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,666.04 : 2,231,015.40 = 891,542.70 : x
  2. Step 2: Convert to fraction form
    1,616,666.04/2,231,015.40 = 891,542.70/x
  3. Step 3: Cross multiply
    1,616,666.04x = 2,231,015.40 × 891,542.70
  4. Step 4: Simplify right side
    1,616,666.04x = 1,989,045,493,457.58
  5. Step 5: Solve for x
    x = 1,989,045,493,457.58/1,616,666.04
  6. Step 6: Final answer
    x = 1,230,337.90

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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.