Home / 1,870,661.40-2,806,818.30-910,584.60

Finding the Fourth Proportional to 1,870,661.40, 2,806,818.30 and 910,584.60

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Solution

The fourth proportional to 1,870,661.40, 2,806,818.30 and 910,584.60 is: 1,366,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,661.40 : 2,806,818.30 = 910,584.60 : x
  2. Step 2: Convert to fraction form
    1,870,661.40/2,806,818.30 = 910,584.60/x
  3. Step 3: Cross multiply
    1,870,661.40x = 2,806,818.30 × 910,584.60
  4. Step 4: Simplify right side
    1,870,661.40x = 2,555,845,518,978.18
  5. Step 5: Solve for x
    x = 2,555,845,518,978.18/1,870,661.40
  6. Step 6: Final answer
    x = 1,366,279.07

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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.