Home / 1,530,855.76-2,112,873.36-1,013,697.52

Finding the Fourth Proportional to 1,530,855.76, 2,112,873.36 and 1,013,697.52

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Solution

The fourth proportional to 1,530,855.76, 2,112,873.36 and 1,013,697.52 is: 1,399,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,855.76 : 2,112,873.36 = 1,013,697.52 : x
  2. Step 2: Convert to fraction form
    1,530,855.76/2,112,873.36 = 1,013,697.52/x
  3. Step 3: Cross multiply
    1,530,855.76x = 2,112,873.36 × 1,013,697.52
  4. Step 4: Simplify right side
    1,530,855.76x = 2,141,814,485,106.07
  5. Step 5: Solve for x
    x = 2,141,814,485,106.07/1,530,855.76
  6. Step 6: Final answer
    x = 1,399,096.21

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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.