Home / 2,567,785.65-3,543,500.79-1,421,841.39

Finding the Fourth Proportional to 2,567,785.65, 3,543,500.79 and 1,421,841.39

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Solution

The fourth proportional to 2,567,785.65, 3,543,500.79 and 1,421,841.39 is: 1,962,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,785.65 : 3,543,500.79 = 1,421,841.39 : x
  2. Step 2: Convert to fraction form
    2,567,785.65/3,543,500.79 = 1,421,841.39/x
  3. Step 3: Cross multiply
    2,567,785.65x = 3,543,500.79 × 1,421,841.39
  4. Step 4: Simplify right side
    2,567,785.65x = 5,038,296,088,719.70
  5. Step 5: Solve for x
    x = 5,038,296,088,719.70/2,567,785.65
  6. Step 6: Final answer
    x = 1,962,117.08

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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.