Home / 2,422,485.74-3,343,106.07-1,390,182.38

Finding the Fourth Proportional to 2,422,485.74, 3,343,106.07 and 1,390,182.38

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Solution

The fourth proportional to 2,422,485.74, 3,343,106.07 and 1,390,182.38 is: 1,918,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422,485.74 : 3,343,106.07 = 1,390,182.38 : x
  2. Step 2: Convert to fraction form
    2,422,485.74/3,343,106.07 = 1,390,182.38/x
  3. Step 3: Cross multiply
    2,422,485.74x = 3,343,106.07 × 1,390,182.38
  4. Step 4: Simplify right side
    2,422,485.74x = 4,647,527,152,985.05
  5. Step 5: Solve for x
    x = 4,647,527,152,985.05/2,422,485.74
  6. Step 6: Final answer
    x = 1,918,495.15

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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.