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Finding the Fourth Proportional to 2,973,946.72, 4,460,841.66 and 844,031.08

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Solution

The fourth proportional to 2,973,946.72, 4,460,841.66 and 844,031.08 is: 1,266,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973,946.72 : 4,460,841.66 = 844,031.08 : x
  2. Step 2: Convert to fraction form
    2,973,946.72/4,460,841.66 = 844,031.08/x
  3. Step 3: Cross multiply
    2,973,946.72x = 4,460,841.66 × 844,031.08
  4. Step 4: Simplify right side
    2,973,946.72x = 3,765,089,003,998.79
  5. Step 5: Solve for x
    x = 3,765,089,003,998.79/2,973,946.72
  6. Step 6: Final answer
    x = 1,266,024.36

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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.