Home / 4,680,579.60-7,020,869.40-1,839,747.60

Finding the Fourth Proportional to 4,680,579.60, 7,020,869.40 and 1,839,747.60

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Solution

The fourth proportional to 4,680,579.60, 7,020,869.40 and 1,839,747.60 is: 2,759,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,579.60 : 7,020,869.40 = 1,839,747.60 : x
  2. Step 2: Convert to fraction form
    4,680,579.60/7,020,869.40 = 1,839,747.60/x
  3. Step 3: Cross multiply
    4,680,579.60x = 7,020,869.40 × 1,839,747.60
  4. Step 4: Simplify right side
    4,680,579.60x = 12,916,627,628,563.44
  5. Step 5: Solve for x
    x = 12,916,627,628,563.44/4,680,579.60
  6. Step 6: Final answer
    x = 2,759,621.40

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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.