Home / 1,971,612.80-2,956,544.40-906,106.40

Finding the Fourth Proportional to 1,971,612.80, 2,956,544.40 and 906,106.40

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Solution

The fourth proportional to 1,971,612.80, 2,956,544.40 and 906,106.40 is: 1,358,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,612.80 : 2,956,544.40 = 906,106.40 : x
  2. Step 2: Convert to fraction form
    1,971,612.80/2,956,544.40 = 906,106.40/x
  3. Step 3: Cross multiply
    1,971,612.80x = 2,956,544.40 × 906,106.40
  4. Step 4: Simplify right side
    1,971,612.80x = 2,678,943,802,724.16
  5. Step 5: Solve for x
    x = 2,678,943,802,724.16/1,971,612.80
  6. Step 6: Final answer
    x = 1,358,757.56

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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.