Home / 1,616,520.04-2,230,813.31-891,393.46

Finding the Fourth Proportional to 1,616,520.04, 2,230,813.31 and 891,393.46

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Solution

The fourth proportional to 1,616,520.04, 2,230,813.31 and 891,393.46 is: 1,230,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,520.04 : 2,230,813.31 = 891,393.46 : x
  2. Step 2: Convert to fraction form
    1,616,520.04/2,230,813.31 = 891,393.46/x
  3. Step 3: Cross multiply
    1,616,520.04x = 2,230,813.31 × 891,393.46
  4. Step 4: Simplify right side
    1,616,520.04x = 1,988,532,384,980.95
  5. Step 5: Solve for x
    x = 1,988,532,384,980.95/1,616,520.04
  6. Step 6: Final answer
    x = 1,230,131.60

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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.