Home / 3,447,148.50-4,757,097.74-1,919,288.43

Finding the Fourth Proportional to 3,447,148.50, 4,757,097.74 and 1,919,288.43

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Solution

The fourth proportional to 3,447,148.50, 4,757,097.74 and 1,919,288.43 is: 2,648,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,148.50 : 4,757,097.74 = 1,919,288.43 : x
  2. Step 2: Convert to fraction form
    3,447,148.50/4,757,097.74 = 1,919,288.43/x
  3. Step 3: Cross multiply
    3,447,148.50x = 4,757,097.74 × 1,919,288.43
  4. Step 4: Simplify right side
    3,447,148.50x = 9,130,242,643,164.71
  5. Step 5: Solve for x
    x = 9,130,242,643,164.71/3,447,148.50
  6. Step 6: Final answer
    x = 2,648,636.30

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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.