Home / 1,913,316-2,870,105.22-633,921

Finding the Fourth Proportional to 1,913,316, 2,870,105.22 and 633,921

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Solution

The fourth proportional to 1,913,316, 2,870,105.22 and 633,921 is: 950,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,316 : 2,870,105.22 = 633,921 : x
  2. Step 2: Convert to fraction form
    1,913,316/2,870,105.22 = 633,921/x
  3. Step 3: Cross multiply
    1,913,316x = 2,870,105.22 × 633,921
  4. Step 4: Simplify right side
    1,913,316x = 1,819,419,971,167.62
  5. Step 5: Solve for x
    x = 1,819,419,971,167.62/1,913,316
  6. Step 6: Final answer
    x = 950,924.98

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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.