Home / 5,352,409.86-8,030,189.70-2,155,890.66

Finding the Fourth Proportional to 5,352,409.86, 8,030,189.70 and 2,155,890.66

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Solution

The fourth proportional to 5,352,409.86, 8,030,189.70 and 2,155,890.66 is: 3,234,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,409.86 : 8,030,189.70 = 2,155,890.66 : x
  2. Step 2: Convert to fraction form
    5,352,409.86/8,030,189.70 = 2,155,890.66/x
  3. Step 3: Cross multiply
    5,352,409.86x = 8,030,189.70 × 2,155,890.66
  4. Step 4: Simplify right side
    5,352,409.86x = 17,312,210,972,258.20
  5. Step 5: Solve for x
    x = 17,312,210,972,258.20/5,352,409.86
  6. Step 6: Final answer
    x = 3,234,470.35

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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.