Home / 3,849,837.60-5,775,274.80-1,326,266.40

Finding the Fourth Proportional to 3,849,837.60, 5,775,274.80 and 1,326,266.40

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Solution

The fourth proportional to 3,849,837.60, 5,775,274.80 and 1,326,266.40 is: 1,989,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,837.60 : 5,775,274.80 = 1,326,266.40 : x
  2. Step 2: Convert to fraction form
    3,849,837.60/5,775,274.80 = 1,326,266.40/x
  3. Step 3: Cross multiply
    3,849,837.60x = 5,775,274.80 × 1,326,266.40
  4. Step 4: Simplify right side
    3,849,837.60x = 7,659,552,918,006.72
  5. Step 5: Solve for x
    x = 7,659,552,918,006.72/3,849,837.60
  6. Step 6: Final answer
    x = 1,989,578.19

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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.