Home / 2,509,091.31-3,461,783.18-1,421,190.03

Finding the Fourth Proportional to 2,509,091.31, 3,461,783.18 and 1,421,190.03

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Solution

The fourth proportional to 2,509,091.31, 3,461,783.18 and 1,421,190.03 is: 1,960,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509,091.31 : 3,461,783.18 = 1,421,190.03 : x
  2. Step 2: Convert to fraction form
    2,509,091.31/3,461,783.18 = 1,421,190.03/x
  3. Step 3: Cross multiply
    2,509,091.31x = 3,461,783.18 × 1,421,190.03
  4. Step 4: Simplify right side
    2,509,091.31x = 4,919,851,729,230.26
  5. Step 5: Solve for x
    x = 4,919,851,729,230.26/2,509,091.31
  6. Step 6: Final answer
    x = 1,960,810.16

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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.