Home / 1,929,590.38-2,662,405.68-1,113,621.22

Finding the Fourth Proportional to 1,929,590.38, 2,662,405.68 and 1,113,621.22

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Solution

The fourth proportional to 1,929,590.38, 2,662,405.68 and 1,113,621.22 is: 1,536,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,590.38 : 2,662,405.68 = 1,113,621.22 : x
  2. Step 2: Convert to fraction form
    1,929,590.38/2,662,405.68 = 1,113,621.22/x
  3. Step 3: Cross multiply
    1,929,590.38x = 2,662,405.68 × 1,113,621.22
  4. Step 4: Simplify right side
    1,929,590.38x = 2,964,911,461,496.53
  5. Step 5: Solve for x
    x = 2,964,911,461,496.53/1,929,590.38
  6. Step 6: Final answer
    x = 1,536,549.67

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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.