Home / 2,913,117.40-4,369,676.10-1,318,794.40

Finding the Fourth Proportional to 2,913,117.40, 4,369,676.10 and 1,318,794.40

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Solution

The fourth proportional to 2,913,117.40, 4,369,676.10 and 1,318,794.40 is: 1,978,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,117.40 : 4,369,676.10 = 1,318,794.40 : x
  2. Step 2: Convert to fraction form
    2,913,117.40/4,369,676.10 = 1,318,794.40/x
  3. Step 3: Cross multiply
    2,913,117.40x = 4,369,676.10 × 1,318,794.40
  4. Step 4: Simplify right side
    2,913,117.40x = 5,762,704,370,493.84
  5. Step 5: Solve for x
    x = 5,762,704,370,493.84/2,913,117.40
  6. Step 6: Final answer
    x = 1,978,191.60

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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.