Home / 1,946,471.42-2,685,938.64-1,087,013.24

Finding the Fourth Proportional to 1,946,471.42, 2,685,938.64 and 1,087,013.24

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Solution

The fourth proportional to 1,946,471.42, 2,685,938.64 and 1,087,013.24 is: 1,499,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,471.42 : 2,685,938.64 = 1,087,013.24 : x
  2. Step 2: Convert to fraction form
    1,946,471.42/2,685,938.64 = 1,087,013.24/x
  3. Step 3: Cross multiply
    1,946,471.42x = 2,685,938.64 × 1,087,013.24
  4. Step 4: Simplify right side
    1,946,471.42x = 2,919,650,863,507.59
  5. Step 5: Solve for x
    x = 2,919,650,863,507.59/1,946,471.42
  6. Step 6: Final answer
    x = 1,499,971.09

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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.