Home / 1,518,981.84-2,096,189.46-856,641.06

Finding the Fourth Proportional to 1,518,981.84, 2,096,189.46 and 856,641.06

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Solution

The fourth proportional to 1,518,981.84, 2,096,189.46 and 856,641.06 is: 1,182,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,981.84 : 2,096,189.46 = 856,641.06 : x
  2. Step 2: Convert to fraction form
    1,518,981.84/2,096,189.46 = 856,641.06/x
  3. Step 3: Cross multiply
    1,518,981.84x = 2,096,189.46 × 856,641.06
  4. Step 4: Simplify right side
    1,518,981.84x = 1,795,681,960,975.23
  5. Step 5: Solve for x
    x = 1,795,681,960,975.23/1,518,981.84
  6. Step 6: Final answer
    x = 1,182,161.57

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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.