Home / 3,111,769.81-4,294,295.23-1,716,491.53

Finding the Fourth Proportional to 3,111,769.81, 4,294,295.23 and 1,716,491.53

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Solution

The fourth proportional to 3,111,769.81, 4,294,295.23 and 1,716,491.53 is: 2,368,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,769.81 : 4,294,295.23 = 1,716,491.53 : x
  2. Step 2: Convert to fraction form
    3,111,769.81/4,294,295.23 = 1,716,491.53/x
  3. Step 3: Cross multiply
    3,111,769.81x = 4,294,295.23 × 1,716,491.53
  4. Step 4: Simplify right side
    3,111,769.81x = 7,371,121,389,614.40
  5. Step 5: Solve for x
    x = 7,371,121,389,614.40/3,111,769.81
  6. Step 6: Final answer
    x = 2,368,787.49

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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.