Home / 1,911,767.76-2,637,930.78-1,095,821.28

Finding the Fourth Proportional to 1,911,767.76, 2,637,930.78 and 1,095,821.28

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Solution

The fourth proportional to 1,911,767.76, 2,637,930.78 and 1,095,821.28 is: 1,512,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,767.76 : 2,637,930.78 = 1,095,821.28 : x
  2. Step 2: Convert to fraction form
    1,911,767.76/2,637,930.78 = 1,095,821.28/x
  3. Step 3: Cross multiply
    1,911,767.76x = 2,637,930.78 × 1,095,821.28
  4. Step 4: Simplify right side
    1,911,767.76x = 2,890,700,683,891.00
  5. Step 5: Solve for x
    x = 2,890,700,683,891.00/1,911,767.76
  6. Step 6: Final answer
    x = 1,512,056.40

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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.