Home / 2,139,585.77-3,209,576.47-773,700.39

Finding the Fourth Proportional to 2,139,585.77, 3,209,576.47 and 773,700.39

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Solution

The fourth proportional to 2,139,585.77, 3,209,576.47 and 773,700.39 is: 1,160,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,585.77 : 3,209,576.47 = 773,700.39 : x
  2. Step 2: Convert to fraction form
    2,139,585.77/3,209,576.47 = 773,700.39/x
  3. Step 3: Cross multiply
    2,139,585.77x = 3,209,576.47 × 773,700.39
  4. Step 4: Simplify right side
    2,139,585.77x = 2,483,250,564,639.57
  5. Step 5: Solve for x
    x = 2,483,250,564,639.57/2,139,585.77
  6. Step 6: Final answer
    x = 1,160,622.12

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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.