Home / 7,257,779.83-10,886,905.52-2,139,780.55

Finding the Fourth Proportional to 7,257,779.83, 10,886,905.52 and 2,139,780.55

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Solution

The fourth proportional to 7,257,779.83, 10,886,905.52 and 2,139,780.55 is: 3,209,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257,779.83 : 10,886,905.52 = 2,139,780.55 : x
  2. Step 2: Convert to fraction form
    7,257,779.83/10,886,905.52 = 2,139,780.55/x
  3. Step 3: Cross multiply
    7,257,779.83x = 10,886,905.52 × 2,139,780.55
  4. Step 4: Simplify right side
    7,257,779.83x = 23,295,588,670,684.73
  5. Step 5: Solve for x
    x = 23,295,588,670,684.73/7,257,779.83
  6. Step 6: Final answer
    x = 3,209,740.34

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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.