Home / 1,870,660.40-2,806,816.80-910,583.60

Finding the Fourth Proportional to 1,870,660.40, 2,806,816.80 and 910,583.60

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Solution

The fourth proportional to 1,870,660.40, 2,806,816.80 and 910,583.60 is: 1,366,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,660.40 : 2,806,816.80 = 910,583.60 : x
  2. Step 2: Convert to fraction form
    1,870,660.40/2,806,816.80 = 910,583.60/x
  3. Step 3: Cross multiply
    1,870,660.40x = 2,806,816.80 × 910,583.60
  4. Step 4: Simplify right side
    1,870,660.40x = 2,555,841,346,284.48
  5. Step 5: Solve for x
    x = 2,555,841,346,284.48/1,870,660.40
  6. Step 6: Final answer
    x = 1,366,277.57

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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.