Home / 2,009,479.52-2,772,299.04-1,138,113.92

Finding the Fourth Proportional to 2,009,479.52, 2,772,299.04 and 1,138,113.92

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Solution

The fourth proportional to 2,009,479.52, 2,772,299.04 and 1,138,113.92 is: 1,570,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,479.52 : 2,772,299.04 = 1,138,113.92 : x
  2. Step 2: Convert to fraction form
    2,009,479.52/2,772,299.04 = 1,138,113.92/x
  3. Step 3: Cross multiply
    2,009,479.52x = 2,772,299.04 × 1,138,113.92
  4. Step 4: Simplify right side
    2,009,479.52x = 3,155,192,127,826.64
  5. Step 5: Solve for x
    x = 3,155,192,127,826.64/2,009,479.52
  6. Step 6: Final answer
    x = 1,570,153.91

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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.