Home / 2,422,828.80-3,343,365.72-1,390,117.68

Finding the Fourth Proportional to 2,422,828.80, 3,343,365.72 and 1,390,117.68

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Solution

The fourth proportional to 2,422,828.80, 3,343,365.72 and 1,390,117.68 is: 1,918,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422,828.80 : 3,343,365.72 = 1,390,117.68 : x
  2. Step 2: Convert to fraction form
    2,422,828.80/3,343,365.72 = 1,390,117.68/x
  3. Step 3: Cross multiply
    2,422,828.80x = 3,343,365.72 × 1,390,117.68
  4. Step 4: Simplify right side
    2,422,828.80x = 4,647,671,798,077.93
  5. Step 5: Solve for x
    x = 4,647,671,798,077.93/2,422,828.80
  6. Step 6: Final answer
    x = 1,918,283.21

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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.