Home / 3,762,078.40-5,643,117.60-2,628,337.60

Finding the Fourth Proportional to 3,762,078.40, 5,643,117.60 and 2,628,337.60

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Solution

The fourth proportional to 3,762,078.40, 5,643,117.60 and 2,628,337.60 is: 3,942,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762,078.40 : 5,643,117.60 = 2,628,337.60 : x
  2. Step 2: Convert to fraction form
    3,762,078.40/5,643,117.60 = 2,628,337.60/x
  3. Step 3: Cross multiply
    3,762,078.40x = 5,643,117.60 × 2,628,337.60
  4. Step 4: Simplify right side
    3,762,078.40x = 14,832,018,169,301.76
  5. Step 5: Solve for x
    x = 14,832,018,169,301.76/3,762,078.40
  6. Step 6: Final answer
    x = 3,942,506.40

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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.