Home / 6,419,386.76-8,858,980.73-3,518,776.86

Finding the Fourth Proportional to 6,419,386.76, 8,858,980.73 and 3,518,776.86

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Solution

The fourth proportional to 6,419,386.76, 8,858,980.73 and 3,518,776.86 is: 4,856,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,386.76 : 8,858,980.73 = 3,518,776.86 : x
  2. Step 2: Convert to fraction form
    6,419,386.76/8,858,980.73 = 3,518,776.86/x
  3. Step 3: Cross multiply
    6,419,386.76x = 8,858,980.73 × 3,518,776.86
  4. Step 4: Simplify right side
    6,419,386.76x = 31,172,776,371,485.67
  5. Step 5: Solve for x
    x = 31,172,776,371,485.67/6,419,386.76
  6. Step 6: Final answer
    x = 4,856,036.50

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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.