Home / 1,930,947.40-2,896,809.90-1,617,574.60

Finding the Fourth Proportional to 1,930,947.40, 2,896,809.90 and 1,617,574.60

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Solution

The fourth proportional to 1,930,947.40, 2,896,809.90 and 1,617,574.60 is: 2,426,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,947.40 : 2,896,809.90 = 1,617,574.60 : x
  2. Step 2: Convert to fraction form
    1,930,947.40/2,896,809.90 = 1,617,574.60/x
  3. Step 3: Cross multiply
    1,930,947.40x = 2,896,809.90 × 1,617,574.60
  4. Step 4: Simplify right side
    1,930,947.40x = 4,685,806,115,268.54
  5. Step 5: Solve for x
    x = 4,685,806,115,268.54/1,930,947.40
  6. Step 6: Final answer
    x = 2,426,687.60

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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.