Home / 2,153,415.51-2,971,846.13-1,186,545.65

Finding the Fourth Proportional to 2,153,415.51, 2,971,846.13 and 1,186,545.65

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Solution

The fourth proportional to 2,153,415.51, 2,971,846.13 and 1,186,545.65 is: 1,637,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,415.51 : 2,971,846.13 = 1,186,545.65 : x
  2. Step 2: Convert to fraction form
    2,153,415.51/2,971,846.13 = 1,186,545.65/x
  3. Step 3: Cross multiply
    2,153,415.51x = 2,971,846.13 × 1,186,545.65
  4. Step 4: Simplify right side
    2,153,415.51x = 3,526,231,077,228.88
  5. Step 5: Solve for x
    x = 3,526,231,077,228.88/2,153,415.51
  6. Step 6: Final answer
    x = 1,637,506.12

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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.