Home / 3,849,220.71-5,775,113.61-1,290,688.59

Finding the Fourth Proportional to 3,849,220.71, 5,775,113.61 and 1,290,688.59

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Solution

The fourth proportional to 3,849,220.71, 5,775,113.61 and 1,290,688.59 is: 1,936,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,220.71 : 5,775,113.61 = 1,290,688.59 : x
  2. Step 2: Convert to fraction form
    3,849,220.71/5,775,113.61 = 1,290,688.59/x
  3. Step 3: Cross multiply
    3,849,220.71x = 5,775,113.61 × 1,290,688.59
  4. Step 4: Simplify right side
    3,849,220.71x = 7,453,873,242,380.71
  5. Step 5: Solve for x
    x = 7,453,873,242,380.71/3,849,220.71
  6. Step 6: Final answer
    x = 1,936,462.94

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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.