Home / 5,390,400.60-8,085,600.90-1,603,391.40

Finding the Fourth Proportional to 5,390,400.60, 8,085,600.90 and 1,603,391.40

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Solution

The fourth proportional to 5,390,400.60, 8,085,600.90 and 1,603,391.40 is: 2,405,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,400.60 : 8,085,600.90 = 1,603,391.40 : x
  2. Step 2: Convert to fraction form
    5,390,400.60/8,085,600.90 = 1,603,391.40/x
  3. Step 3: Cross multiply
    5,390,400.60x = 8,085,600.90 × 1,603,391.40
  4. Step 4: Simplify right side
    5,390,400.60x = 12,964,382,946,892.26
  5. Step 5: Solve for x
    x = 12,964,382,946,892.26/5,390,400.60
  6. Step 6: Final answer
    x = 2,405,087.10

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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.