Home / 5,021,930.72-6,929,970.10-2,730,071.36

Finding the Fourth Proportional to 5,021,930.72, 6,929,970.10 and 2,730,071.36

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Solution

The fourth proportional to 5,021,930.72, 6,929,970.10 and 2,730,071.36 is: 3,767,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021,930.72 : 6,929,970.10 = 2,730,071.36 : x
  2. Step 2: Convert to fraction form
    5,021,930.72/6,929,970.10 = 2,730,071.36/x
  3. Step 3: Cross multiply
    5,021,930.72x = 6,929,970.10 × 2,730,071.36
  4. Step 4: Simplify right side
    5,021,930.72x = 18,919,312,854,191.31
  5. Step 5: Solve for x
    x = 18,919,312,854,191.31/5,021,930.72
  6. Step 6: Final answer
    x = 3,767,338.49

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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.