Home / 3,258,131.60-4,890,307.80-1,662,496.40

Finding the Fourth Proportional to 3,258,131.60, 4,890,307.80 and 1,662,496.40

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Solution

The fourth proportional to 3,258,131.60, 4,890,307.80 and 1,662,496.40 is: 2,495,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,131.60 : 4,890,307.80 = 1,662,496.40 : x
  2. Step 2: Convert to fraction form
    3,258,131.60/4,890,307.80 = 1,662,496.40/x
  3. Step 3: Cross multiply
    3,258,131.60x = 4,890,307.80 × 1,662,496.40
  4. Step 4: Simplify right side
    3,258,131.60x = 8,130,119,112,391.92
  5. Step 5: Solve for x
    x = 8,130,119,112,391.92/3,258,131.60
  6. Step 6: Final answer
    x = 2,495,331.71

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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.