Home / 1,257,931-1,895,298.83-1,138,141.51

Finding the Fourth Proportional to 1,257,931, 1,895,298.83 and 1,138,141.51

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Solution

The fourth proportional to 1,257,931, 1,895,298.83 and 1,138,141.51 is: 1,714,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,931 : 1,895,298.83 = 1,138,141.51 : x
  2. Step 2: Convert to fraction form
    1,257,931/1,895,298.83 = 1,138,141.51/x
  3. Step 3: Cross multiply
    1,257,931x = 1,895,298.83 × 1,138,141.51
  4. Step 4: Simplify right side
    1,257,931x = 2,157,118,272,277.43
  5. Step 5: Solve for x
    x = 2,157,118,272,277.43/1,257,931
  6. Step 6: Final answer
    x = 1,714,814.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.