Home / 1,567,902.76-2,164,633.46-987,623.31

Finding the Fourth Proportional to 1,567,902.76, 2,164,633.46 and 987,623.31

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Solution

The fourth proportional to 1,567,902.76, 2,164,633.46 and 987,623.31 is: 1,363,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,902.76 : 2,164,633.46 = 987,623.31 : x
  2. Step 2: Convert to fraction form
    1,567,902.76/2,164,633.46 = 987,623.31/x
  3. Step 3: Cross multiply
    1,567,902.76x = 2,164,633.46 × 987,623.31
  4. Step 4: Simplify right side
    1,567,902.76x = 2,137,842,462,701.95
  5. Step 5: Solve for x
    x = 2,137,842,462,701.95/1,567,902.76
  6. Step 6: Final answer
    x = 1,363,504.50

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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.