Home / 1,971,158.18-2,720,780.04-1,155,538.40

Finding the Fourth Proportional to 1,971,158.18, 2,720,780.04 and 1,155,538.40

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Solution

The fourth proportional to 1,971,158.18, 2,720,780.04 and 1,155,538.40 is: 1,594,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,158.18 : 2,720,780.04 = 1,155,538.40 : x
  2. Step 2: Convert to fraction form
    1,971,158.18/2,720,780.04 = 1,155,538.40/x
  3. Step 3: Cross multiply
    1,971,158.18x = 2,720,780.04 × 1,155,538.40
  4. Step 4: Simplify right side
    1,971,158.18x = 3,143,965,814,283.67
  5. Step 5: Solve for x
    x = 3,143,965,814,283.67/1,971,158.18
  6. Step 6: Final answer
    x = 1,594,984.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.