Home / 5,217,123.65-7,825,735.55-1,977,790.06

Finding the Fourth Proportional to 5,217,123.65, 7,825,735.55 and 1,977,790.06

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Solution

The fourth proportional to 5,217,123.65, 7,825,735.55 and 1,977,790.06 is: 2,966,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,123.65 : 7,825,735.55 = 1,977,790.06 : x
  2. Step 2: Convert to fraction form
    5,217,123.65/7,825,735.55 = 1,977,790.06/x
  3. Step 3: Cross multiply
    5,217,123.65x = 7,825,735.55 × 1,977,790.06
  4. Step 4: Simplify right side
    5,217,123.65x = 15,477,661,997,705.28
  5. Step 5: Solve for x
    x = 15,477,661,997,705.28/5,217,123.65
  6. Step 6: Final answer
    x = 2,966,704.08

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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.