Home / 2,051,911.05-2,831,648.31-1,121,620.02

Finding the Fourth Proportional to 2,051,911.05, 2,831,648.31 and 1,121,620.02

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Solution

The fourth proportional to 2,051,911.05, 2,831,648.31 and 1,121,620.02 is: 1,547,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,911.05 : 2,831,648.31 = 1,121,620.02 : x
  2. Step 2: Convert to fraction form
    2,051,911.05/2,831,648.31 = 1,121,620.02/x
  3. Step 3: Cross multiply
    2,051,911.05x = 2,831,648.31 × 1,121,620.02
  4. Step 4: Simplify right side
    2,051,911.05x = 3,176,033,434,095.17
  5. Step 5: Solve for x
    x = 3,176,033,434,095.17/2,051,911.05
  6. Step 6: Final answer
    x = 1,547,841.67

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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.