Home / 4,013,368.47-5,538,420.36-2,177,780.07

Finding the Fourth Proportional to 4,013,368.47, 5,538,420.36 and 2,177,780.07

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Solution

The fourth proportional to 4,013,368.47, 5,538,420.36 and 2,177,780.07 is: 3,005,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,368.47 : 5,538,420.36 = 2,177,780.07 : x
  2. Step 2: Convert to fraction form
    4,013,368.47/5,538,420.36 = 2,177,780.07/x
  3. Step 3: Cross multiply
    4,013,368.47x = 5,538,420.36 × 2,177,780.07
  4. Step 4: Simplify right side
    4,013,368.47x = 12,061,461,479,290.22
  5. Step 5: Solve for x
    x = 12,061,461,479,290.22/4,013,368.47
  6. Step 6: Final answer
    x = 3,005,321.23

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Double scale
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1.5x scale

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.