Home / 5,260,022.80-7,887,701.40-2,421,005.20

Finding the Fourth Proportional to 5,260,022.80, 7,887,701.40 and 2,421,005.20

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Solution

The fourth proportional to 5,260,022.80, 7,887,701.40 and 2,421,005.20 is: 3,630,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260,022.80 : 7,887,701.40 = 2,421,005.20 : x
  2. Step 2: Convert to fraction form
    5,260,022.80/7,887,701.40 = 2,421,005.20/x
  3. Step 3: Cross multiply
    5,260,022.80x = 7,887,701.40 × 2,421,005.20
  4. Step 4: Simplify right side
    5,260,022.80x = 19,096,166,105,447.28
  5. Step 5: Solve for x
    x = 19,096,166,105,447.28/5,260,022.80
  6. Step 6: Final answer
    x = 3,630,434.09

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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.