Home / 2,120,020.90-2,925,362.73-1,433,186.80

Finding the Fourth Proportional to 2,120,020.90, 2,925,362.73 and 1,433,186.80

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Solution

The fourth proportional to 2,120,020.90, 2,925,362.73 and 1,433,186.80 is: 1,977,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,020.90 : 2,925,362.73 = 1,433,186.80 : x
  2. Step 2: Convert to fraction form
    2,120,020.90/2,925,362.73 = 1,433,186.80/x
  3. Step 3: Cross multiply
    2,120,020.90x = 2,925,362.73 × 1,433,186.80
  4. Step 4: Simplify right side
    2,120,020.90x = 4,192,591,249,847.96
  5. Step 5: Solve for x
    x = 4,192,591,249,847.96/2,120,020.90
  6. Step 6: Final answer
    x = 1,977,617.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.