Home / 2,153,418.51-2,971,850.27-1,186,548.65

Finding the Fourth Proportional to 2,153,418.51, 2,971,850.27 and 1,186,548.65

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Solution

The fourth proportional to 2,153,418.51, 2,971,850.27 and 1,186,548.65 is: 1,637,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,418.51 : 2,971,850.27 = 1,186,548.65 : x
  2. Step 2: Convert to fraction form
    2,153,418.51/2,971,850.27 = 1,186,548.65/x
  3. Step 3: Cross multiply
    2,153,418.51x = 2,971,850.27 × 1,186,548.65
  4. Step 4: Simplify right side
    2,153,418.51x = 3,526,244,925,870.64
  5. Step 5: Solve for x
    x = 3,526,244,925,870.64/2,153,418.51
  6. Step 6: Final answer
    x = 1,637,510.27

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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.