Home / 2,909,928.35-4,015,702.29-1,686,942.92

Finding the Fourth Proportional to 2,909,928.35, 4,015,702.29 and 1,686,942.92

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Solution

The fourth proportional to 2,909,928.35, 4,015,702.29 and 1,686,942.92 is: 2,327,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,928.35 : 4,015,702.29 = 1,686,942.92 : x
  2. Step 2: Convert to fraction form
    2,909,928.35/4,015,702.29 = 1,686,942.92/x
  3. Step 3: Cross multiply
    2,909,928.35x = 4,015,702.29 × 1,686,942.92
  4. Step 4: Simplify right side
    2,909,928.35x = 6,774,260,518,430.06
  5. Step 5: Solve for x
    x = 6,774,260,518,430.06/2,909,928.35
  6. Step 6: Final answer
    x = 2,327,981.90

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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.