Home / 1,440,021.90-2,160,032.85-1,370,037.90

Finding the Fourth Proportional to 1,440,021.90, 2,160,032.85 and 1,370,037.90

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Solution

The fourth proportional to 1,440,021.90, 2,160,032.85 and 1,370,037.90 is: 2,055,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,021.90 : 2,160,032.85 = 1,370,037.90 : x
  2. Step 2: Convert to fraction form
    1,440,021.90/2,160,032.85 = 1,370,037.90/x
  3. Step 3: Cross multiply
    1,440,021.90x = 2,160,032.85 × 1,370,037.90
  4. Step 4: Simplify right side
    1,440,021.90x = 2,959,326,869,745.02
  5. Step 5: Solve for x
    x = 2,959,326,869,745.02/1,440,021.90
  6. Step 6: Final answer
    x = 2,055,056.85

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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.