Home / 1,913,774.42-2,870,682.16-819,411.78

Finding the Fourth Proportional to 1,913,774.42, 2,870,682.16 and 819,411.78

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Solution

The fourth proportional to 1,913,774.42, 2,870,682.16 and 819,411.78 is: 1,229,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,774.42 : 2,870,682.16 = 819,411.78 : x
  2. Step 2: Convert to fraction form
    1,913,774.42/2,870,682.16 = 819,411.78/x
  3. Step 3: Cross multiply
    1,913,774.42x = 2,870,682.16 × 819,411.78
  4. Step 4: Simplify right side
    1,913,774.42x = 2,352,270,778,539.85
  5. Step 5: Solve for x
    x = 2,352,270,778,539.85/1,913,774.42
  6. Step 6: Final answer
    x = 1,229,126.46

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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.