Home / 2,178,368.58-3,266,859.62-719,143.31

Finding the Fourth Proportional to 2,178,368.58, 3,266,859.62 and 719,143.31

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Solution

The fourth proportional to 2,178,368.58, 3,266,859.62 and 719,143.31 is: 1,078,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,368.58 : 3,266,859.62 = 719,143.31 : x
  2. Step 2: Convert to fraction form
    2,178,368.58/3,266,859.62 = 719,143.31/x
  3. Step 3: Cross multiply
    2,178,368.58x = 3,266,859.62 × 719,143.31
  4. Step 4: Simplify right side
    2,178,368.58x = 2,349,340,224,097.84
  5. Step 5: Solve for x
    x = 2,349,340,224,097.84/2,178,368.58
  6. Step 6: Final answer
    x = 1,078,486.10

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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.