Home / 1,365,932.12-1,885,145.74-1,136,083.88

Finding the Fourth Proportional to 1,365,932.12, 1,885,145.74 and 1,136,083.88

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Solution

The fourth proportional to 1,365,932.12, 1,885,145.74 and 1,136,083.88 is: 1,567,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,932.12 : 1,885,145.74 = 1,136,083.88 : x
  2. Step 2: Convert to fraction form
    1,365,932.12/1,885,145.74 = 1,136,083.88/x
  3. Step 3: Cross multiply
    1,365,932.12x = 1,885,145.74 × 1,136,083.88
  4. Step 4: Simplify right side
    1,365,932.12x = 2,141,683,688,537.33
  5. Step 5: Solve for x
    x = 2,141,683,688,537.33/1,365,932.12
  6. Step 6: Final answer
    x = 1,567,928.35

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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.