Home / 5,172,258.42-7,137,205.62-2,880,632.34

Finding the Fourth Proportional to 5,172,258.42, 7,137,205.62 and 2,880,632.34

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Solution

The fourth proportional to 5,172,258.42, 7,137,205.62 and 2,880,632.34 is: 3,974,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,258.42 : 7,137,205.62 = 2,880,632.34 : x
  2. Step 2: Convert to fraction form
    5,172,258.42/7,137,205.62 = 2,880,632.34/x
  3. Step 3: Cross multiply
    5,172,258.42x = 7,137,205.62 × 2,880,632.34
  4. Step 4: Simplify right side
    5,172,258.42x = 20,559,665,326,201.75
  5. Step 5: Solve for x
    x = 20,559,665,326,201.75/5,172,258.42
  6. Step 6: Final answer
    x = 3,974,988.03

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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.