Home / 2,992,905.40-4,489,358.10-2,095,360.60

Finding the Fourth Proportional to 2,992,905.40, 4,489,358.10 and 2,095,360.60

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Solution

The fourth proportional to 2,992,905.40, 4,489,358.10 and 2,095,360.60 is: 3,143,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,905.40 : 4,489,358.10 = 2,095,360.60 : x
  2. Step 2: Convert to fraction form
    2,992,905.40/4,489,358.10 = 2,095,360.60/x
  3. Step 3: Cross multiply
    2,992,905.40x = 4,489,358.10 × 2,095,360.60
  4. Step 4: Simplify right side
    2,992,905.40x = 9,406,824,082,030.86
  5. Step 5: Solve for x
    x = 9,406,824,082,030.86/2,992,905.40
  6. Step 6: Final answer
    x = 3,143,040.90

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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.