Home / 1,971,611.80-2,956,542.90-906,105.40

Finding the Fourth Proportional to 1,971,611.80, 2,956,542.90 and 906,105.40

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Solution

The fourth proportional to 1,971,611.80, 2,956,542.90 and 906,105.40 is: 1,358,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,611.80 : 2,956,542.90 = 906,105.40 : x
  2. Step 2: Convert to fraction form
    1,971,611.80/2,956,542.90 = 906,105.40/x
  3. Step 3: Cross multiply
    1,971,611.80x = 2,956,542.90 × 906,105.40
  4. Step 4: Simplify right side
    1,971,611.80x = 2,678,939,487,021.66
  5. Step 5: Solve for x
    x = 2,678,939,487,021.66/1,971,611.80
  6. Step 6: Final answer
    x = 1,358,756.06

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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.