Home / 1,946,374.40-2,685,841.92-1,086,883.20

Finding the Fourth Proportional to 1,946,374.40, 2,685,841.92 and 1,086,883.20

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Solution

The fourth proportional to 1,946,374.40, 2,685,841.92 and 1,086,883.20 is: 1,499,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,374.40 : 2,685,841.92 = 1,086,883.20 : x
  2. Step 2: Convert to fraction form
    1,946,374.40/2,685,841.92 = 1,086,883.20/x
  3. Step 3: Cross multiply
    1,946,374.40x = 2,685,841.92 × 1,086,883.20
  4. Step 4: Simplify right side
    1,946,374.40x = 2,919,196,460,703.74
  5. Step 5: Solve for x
    x = 2,919,196,460,703.74/1,946,374.40
  6. Step 6: Final answer
    x = 1,499,812.40

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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.