Home / 1,889,857.68-2,607,956.52-1,030,434.72

Finding the Fourth Proportional to 1,889,857.68, 2,607,956.52 and 1,030,434.72

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Solution

The fourth proportional to 1,889,857.68, 2,607,956.52 and 1,030,434.72 is: 1,421,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,857.68 : 2,607,956.52 = 1,030,434.72 : x
  2. Step 2: Convert to fraction form
    1,889,857.68/2,607,956.52 = 1,030,434.72/x
  3. Step 3: Cross multiply
    1,889,857.68x = 2,607,956.52 × 1,030,434.72
  4. Step 4: Simplify right side
    1,889,857.68x = 2,687,328,946,458.37
  5. Step 5: Solve for x
    x = 2,687,328,946,458.37/1,889,857.68
  6. Step 6: Final answer
    x = 1,421,974.24

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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.