Home / 5,157,663.83-7,739,686.10-2,999,701.72

Finding the Fourth Proportional to 5,157,663.83, 7,739,686.10 and 2,999,701.72

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Solution

The fourth proportional to 5,157,663.83, 7,739,686.10 and 2,999,701.72 is: 4,501,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,663.83 : 7,739,686.10 = 2,999,701.72 : x
  2. Step 2: Convert to fraction form
    5,157,663.83/7,739,686.10 = 2,999,701.72/x
  3. Step 3: Cross multiply
    5,157,663.83x = 7,739,686.10 × 2,999,701.72
  4. Step 4: Simplify right side
    5,157,663.83x = 23,216,749,706,430.09
  5. Step 5: Solve for x
    x = 23,216,749,706,430.09/5,157,663.83
  6. Step 6: Final answer
    x = 4,501,408.09

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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.