Home / 1,870,036.40-2,805,200.40-805,113.20

Finding the Fourth Proportional to 1,870,036.40, 2,805,200.40 and 805,113.20

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Solution

The fourth proportional to 1,870,036.40, 2,805,200.40 and 805,113.20 is: 1,207,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,036.40 : 2,805,200.40 = 805,113.20 : x
  2. Step 2: Convert to fraction form
    1,870,036.40/2,805,200.40 = 805,113.20/x
  3. Step 3: Cross multiply
    1,870,036.40x = 2,805,200.40 × 805,113.20
  4. Step 4: Simplify right side
    1,870,036.40x = 2,258,503,870,685.28
  5. Step 5: Solve for x
    x = 2,258,503,870,685.28/1,870,036.40
  6. Step 6: Final answer
    x = 1,207,732.57

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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.