Home / 2,991,808.40-4,487,712.60-970,048.40

Finding the Fourth Proportional to 2,991,808.40, 4,487,712.60 and 970,048.40

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Solution

The fourth proportional to 2,991,808.40, 4,487,712.60 and 970,048.40 is: 1,455,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,808.40 : 4,487,712.60 = 970,048.40 : x
  2. Step 2: Convert to fraction form
    2,991,808.40/4,487,712.60 = 970,048.40/x
  3. Step 3: Cross multiply
    2,991,808.40x = 4,487,712.60 × 970,048.40
  4. Step 4: Simplify right side
    2,991,808.40x = 4,353,298,427,289.84
  5. Step 5: Solve for x
    x = 4,353,298,427,289.84/2,991,808.40
  6. Step 6: Final answer
    x = 1,455,072.60

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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.