Home / 1,946,146.80-2,685,681.60-1,086,706.56

Finding the Fourth Proportional to 1,946,146.80, 2,685,681.60 and 1,086,706.56

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Solution

The fourth proportional to 1,946,146.80, 2,685,681.60 and 1,086,706.56 is: 1,499,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,146.80 : 2,685,681.60 = 1,086,706.56 : x
  2. Step 2: Convert to fraction form
    1,946,146.80/2,685,681.60 = 1,086,706.56/x
  3. Step 3: Cross multiply
    1,946,146.80x = 2,685,681.60 × 1,086,706.56
  4. Step 4: Simplify right side
    1,946,146.80x = 2,918,547,812,791.30
  5. Step 5: Solve for x
    x = 2,918,547,812,791.30/1,946,146.80
  6. Step 6: Final answer
    x = 1,499,654.50

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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.