Home / 2,869,440.16-3,959,779.25-1,580,400.49

Finding the Fourth Proportional to 2,869,440.16, 3,959,779.25 and 1,580,400.49

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Solution

The fourth proportional to 2,869,440.16, 3,959,779.25 and 1,580,400.49 is: 2,180,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,440.16 : 3,959,779.25 = 1,580,400.49 : x
  2. Step 2: Convert to fraction form
    2,869,440.16/3,959,779.25 = 1,580,400.49/x
  3. Step 3: Cross multiply
    2,869,440.16x = 3,959,779.25 × 1,580,400.49
  4. Step 4: Simplify right side
    2,869,440.16x = 6,258,037,066,991.83
  5. Step 5: Solve for x
    x = 6,258,037,066,991.83/2,869,440.16
  6. Step 6: Final answer
    x = 2,180,926.15

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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.