Home / 3,120,673.65-4,681,010.48-1,918,698.45

Finding the Fourth Proportional to 3,120,673.65, 4,681,010.48 and 1,918,698.45

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Solution

The fourth proportional to 3,120,673.65, 4,681,010.48 and 1,918,698.45 is: 2,878,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,673.65 : 4,681,010.48 = 1,918,698.45 : x
  2. Step 2: Convert to fraction form
    3,120,673.65/4,681,010.48 = 1,918,698.45/x
  3. Step 3: Cross multiply
    3,120,673.65x = 4,681,010.48 × 1,918,698.45
  4. Step 4: Simplify right side
    3,120,673.65x = 8,981,447,542,816.26
  5. Step 5: Solve for x
    x = 8,981,447,542,816.26/3,120,673.65
  6. Step 6: Final answer
    x = 2,878,047.68

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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.