Home / 2,788,841-4,185,031.14-1,191,416.12

Finding the Fourth Proportional to 2,788,841, 4,185,031.14 and 1,191,416.12

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Solution

The fourth proportional to 2,788,841, 4,185,031.14 and 1,191,416.12 is: 1,787,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,841 : 4,185,031.14 = 1,191,416.12 : x
  2. Step 2: Convert to fraction form
    2,788,841/4,185,031.14 = 1,191,416.12/x
  3. Step 3: Cross multiply
    2,788,841x = 4,185,031.14 × 1,191,416.12
  4. Step 4: Simplify right side
    2,788,841x = 4,986,113,562,897.98
  5. Step 5: Solve for x
    x = 4,986,113,562,897.98/2,788,841
  6. Step 6: Final answer
    x = 1,787,880.18

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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.