Home / 3,148,405.40-4,722,608.10-1,153,602.20

Finding the Fourth Proportional to 3,148,405.40, 4,722,608.10 and 1,153,602.20

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Solution

The fourth proportional to 3,148,405.40, 4,722,608.10 and 1,153,602.20 is: 1,730,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,405.40 : 4,722,608.10 = 1,153,602.20 : x
  2. Step 2: Convert to fraction form
    3,148,405.40/4,722,608.10 = 1,153,602.20/x
  3. Step 3: Cross multiply
    3,148,405.40x = 4,722,608.10 × 1,153,602.20
  4. Step 4: Simplify right side
    3,148,405.40x = 5,448,011,093,897.82
  5. Step 5: Solve for x
    x = 5,448,011,093,897.82/3,148,405.40
  6. Step 6: Final answer
    x = 1,730,403.30

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Similar ratio
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1.5x scale

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.