Home / 2,567,428.23-3,543,161.67-1,421,508.57

Finding the Fourth Proportional to 2,567,428.23, 3,543,161.67 and 1,421,508.57

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Solution

The fourth proportional to 2,567,428.23, 3,543,161.67 and 1,421,508.57 is: 1,961,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,428.23 : 3,543,161.67 = 1,421,508.57 : x
  2. Step 2: Convert to fraction form
    2,567,428.23/3,543,161.67 = 1,421,508.57/x
  3. Step 3: Cross multiply
    2,567,428.23x = 3,543,161.67 × 1,421,508.57
  4. Step 4: Simplify right side
    2,567,428.23x = 5,036,634,678,800.51
  5. Step 5: Solve for x
    x = 5,036,634,678,800.51/2,567,428.23
  6. Step 6: Final answer
    x = 1,961,743.12

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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.