Home / 2,991,318.40-4,486,977.60-1,097,430.40

Finding the Fourth Proportional to 2,991,318.40, 4,486,977.60 and 1,097,430.40

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Solution

The fourth proportional to 2,991,318.40, 4,486,977.60 and 1,097,430.40 is: 1,646,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,318.40 : 4,486,977.60 = 1,097,430.40 : x
  2. Step 2: Convert to fraction form
    2,991,318.40/4,486,977.60 = 1,097,430.40/x
  3. Step 3: Cross multiply
    2,991,318.40x = 4,486,977.60 × 1,097,430.40
  4. Step 4: Simplify right side
    2,991,318.40x = 4,924,145,622,359.04
  5. Step 5: Solve for x
    x = 4,924,145,622,359.04/2,991,318.40
  6. Step 6: Final answer
    x = 1,646,145.60

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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.