Home / 1,971,215.80-2,956,823.70-1,772,150.20

Finding the Fourth Proportional to 1,971,215.80, 2,956,823.70 and 1,772,150.20

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Solution

The fourth proportional to 1,971,215.80, 2,956,823.70 and 1,772,150.20 is: 2,658,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,215.80 : 2,956,823.70 = 1,772,150.20 : x
  2. Step 2: Convert to fraction form
    1,971,215.80/2,956,823.70 = 1,772,150.20/x
  3. Step 3: Cross multiply
    1,971,215.80x = 2,956,823.70 × 1,772,150.20
  4. Step 4: Simplify right side
    1,971,215.80x = 5,239,935,711,319.74
  5. Step 5: Solve for x
    x = 5,239,935,711,319.74/1,971,215.80
  6. Step 6: Final answer
    x = 2,658,225.30

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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.