Home / 3,460,044.72-5,190,208.47-1,187,132.07

Finding the Fourth Proportional to 3,460,044.72, 5,190,208.47 and 1,187,132.07

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Solution

The fourth proportional to 3,460,044.72, 5,190,208.47 and 1,187,132.07 is: 1,780,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,044.72 : 5,190,208.47 = 1,187,132.07 : x
  2. Step 2: Convert to fraction form
    3,460,044.72/5,190,208.47 = 1,187,132.07/x
  3. Step 3: Cross multiply
    3,460,044.72x = 5,190,208.47 × 1,187,132.07
  4. Step 4: Simplify right side
    3,460,044.72x = 6,161,462,924,722.63
  5. Step 5: Solve for x
    x = 6,161,462,924,722.63/3,460,044.72
  6. Step 6: Final answer
    x = 1,780,746.62

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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.