Home / 7,261,639.80-10,892,459.70-1,870,279.80

Finding the Fourth Proportional to 7,261,639.80, 10,892,459.70 and 1,870,279.80

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Solution

The fourth proportional to 7,261,639.80, 10,892,459.70 and 1,870,279.80 is: 2,805,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,639.80 : 10,892,459.70 = 1,870,279.80 : x
  2. Step 2: Convert to fraction form
    7,261,639.80/10,892,459.70 = 1,870,279.80/x
  3. Step 3: Cross multiply
    7,261,639.80x = 10,892,459.70 × 1,870,279.80
  4. Step 4: Simplify right side
    7,261,639.80x = 20,371,947,349,224.06
  5. Step 5: Solve for x
    x = 20,371,947,349,224.06/7,261,639.80
  6. Step 6: Final answer
    x = 2,805,419.70

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1.5x scale

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.