Home / 1,569,784.20-2,351,177.10-1,212,865.80

Finding the Fourth Proportional to 1,569,784.20, 2,351,177.10 and 1,212,865.80

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Solution

The fourth proportional to 1,569,784.20, 2,351,177.10 and 1,212,865.80 is: 1,816,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,784.20 : 2,351,177.10 = 1,212,865.80 : x
  2. Step 2: Convert to fraction form
    1,569,784.20/2,351,177.10 = 1,212,865.80/x
  3. Step 3: Cross multiply
    1,569,784.20x = 2,351,177.10 × 1,212,865.80
  4. Step 4: Simplify right side
    1,569,784.20x = 2,851,662,294,333.18
  5. Step 5: Solve for x
    x = 2,851,662,294,333.18/1,569,784.20
  6. Step 6: Final answer
    x = 1,816,595.11

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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.