Home / 1,872,021.90-2,808,032.85-1,560,981.90

Finding the Fourth Proportional to 1,872,021.90, 2,808,032.85 and 1,560,981.90

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Solution

The fourth proportional to 1,872,021.90, 2,808,032.85 and 1,560,981.90 is: 2,341,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,021.90 : 2,808,032.85 = 1,560,981.90 : x
  2. Step 2: Convert to fraction form
    1,872,021.90/2,808,032.85 = 1,560,981.90/x
  3. Step 3: Cross multiply
    1,872,021.90x = 2,808,032.85 × 1,560,981.90
  4. Step 4: Simplify right side
    1,872,021.90x = 4,383,288,453,455.42
  5. Step 5: Solve for x
    x = 4,383,288,453,455.42/1,872,021.90
  6. Step 6: Final answer
    x = 2,341,472.85

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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.