Home / 2,090,624.13-3,135,271.86-1,421,008.47

Finding the Fourth Proportional to 2,090,624.13, 3,135,271.86 and 1,421,008.47

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Solution

The fourth proportional to 2,090,624.13, 3,135,271.86 and 1,421,008.47 is: 2,131,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,624.13 : 3,135,271.86 = 1,421,008.47 : x
  2. Step 2: Convert to fraction form
    2,090,624.13/3,135,271.86 = 1,421,008.47/x
  3. Step 3: Cross multiply
    2,090,624.13x = 3,135,271.86 × 1,421,008.47
  4. Step 4: Simplify right side
    2,090,624.13x = 4,455,247,868,812.65
  5. Step 5: Solve for x
    x = 4,455,247,868,812.65/2,090,624.13
  6. Step 6: Final answer
    x = 2,131,061.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.