Home / 1,870,913.80-2,806,370.70-1,304,043.40

Finding the Fourth Proportional to 1,870,913.80, 2,806,370.70 and 1,304,043.40

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Solution

The fourth proportional to 1,870,913.80, 2,806,370.70 and 1,304,043.40 is: 1,956,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,913.80 : 2,806,370.70 = 1,304,043.40 : x
  2. Step 2: Convert to fraction form
    1,870,913.80/2,806,370.70 = 1,304,043.40/x
  3. Step 3: Cross multiply
    1,870,913.80x = 2,806,370.70 × 1,304,043.40
  4. Step 4: Simplify right side
    1,870,913.80x = 3,659,629,189,288.38
  5. Step 5: Solve for x
    x = 3,659,629,189,288.38/1,870,913.80
  6. Step 6: Final answer
    x = 1,956,065.10

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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.