Home / 5,128,969.67-7,077,284.79-2,924,116.91

Finding the Fourth Proportional to 5,128,969.67, 7,077,284.79 and 2,924,116.91

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Solution

The fourth proportional to 5,128,969.67, 7,077,284.79 and 2,924,116.91 is: 4,034,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,969.67 : 7,077,284.79 = 2,924,116.91 : x
  2. Step 2: Convert to fraction form
    5,128,969.67/7,077,284.79 = 2,924,116.91/x
  3. Step 3: Cross multiply
    5,128,969.67x = 7,077,284.79 × 2,924,116.91
  4. Step 4: Simplify right side
    5,128,969.67x = 20,694,808,095,938.38
  5. Step 5: Solve for x
    x = 20,694,808,095,938.38/5,128,969.67
  6. Step 6: Final answer
    x = 4,034,886.04

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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.