Home / 5,615,974.11-8,423,985.63-1,777,815.30

Finding the Fourth Proportional to 5,615,974.11, 8,423,985.63 and 1,777,815.30

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Solution

The fourth proportional to 5,615,974.11, 8,423,985.63 and 1,777,815.30 is: 2,666,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,974.11 : 8,423,985.63 = 1,777,815.30 : x
  2. Step 2: Convert to fraction form
    5,615,974.11/8,423,985.63 = 1,777,815.30/x
  3. Step 3: Cross multiply
    5,615,974.11x = 8,423,985.63 × 1,777,815.30
  4. Step 4: Simplify right side
    5,615,974.11x = 14,976,290,539,994.14
  5. Step 5: Solve for x
    x = 14,976,290,539,994.14/5,615,974.11
  6. Step 6: Final answer
    x = 2,666,730.69

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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.