Home / 1,934,398.69-2,668,641.94-1,207,985.43

Finding the Fourth Proportional to 1,934,398.69, 2,668,641.94 and 1,207,985.43

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Solution

The fourth proportional to 1,934,398.69, 2,668,641.94 and 1,207,985.43 is: 1,666,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,398.69 : 2,668,641.94 = 1,207,985.43 : x
  2. Step 2: Convert to fraction form
    1,934,398.69/2,668,641.94 = 1,207,985.43/x
  3. Step 3: Cross multiply
    1,934,398.69x = 2,668,641.94 × 1,207,985.43
  4. Step 4: Simplify right side
    1,934,398.69x = 3,223,680,581,406.93
  5. Step 5: Solve for x
    x = 3,223,680,581,406.93/1,934,398.69
  6. Step 6: Final answer
    x = 1,666,502.67

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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.