Home / 2,422,818.90-3,343,512.51-1,335,129.40

Finding the Fourth Proportional to 2,422,818.90, 3,343,512.51 and 1,335,129.40

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Solution

The fourth proportional to 2,422,818.90, 3,343,512.51 and 1,335,129.40 is: 1,842,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422,818.90 : 3,343,512.51 = 1,335,129.40 : x
  2. Step 2: Convert to fraction form
    2,422,818.90/3,343,512.51 = 1,335,129.40/x
  3. Step 3: Cross multiply
    2,422,818.90x = 3,343,512.51 × 1,335,129.40
  4. Step 4: Simplify right side
    2,422,818.90x = 4,464,021,861,196.76
  5. Step 5: Solve for x
    x = 4,464,021,861,196.76/2,422,818.90
  6. Step 6: Final answer
    x = 1,842,490.93

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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.