Home / 1,913,704.80-2,640,946.40-1,054,259.20

Finding the Fourth Proportional to 1,913,704.80, 2,640,946.40 and 1,054,259.20

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Solution

The fourth proportional to 1,913,704.80, 2,640,946.40 and 1,054,259.20 is: 1,454,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,704.80 : 2,640,946.40 = 1,054,259.20 : x
  2. Step 2: Convert to fraction form
    1,913,704.80/2,640,946.40 = 1,054,259.20/x
  3. Step 3: Cross multiply
    1,913,704.80x = 2,640,946.40 × 1,054,259.20
  4. Step 4: Simplify right side
    1,913,704.80x = 2,784,242,038,906.88
  5. Step 5: Solve for x
    x = 2,784,242,038,906.88/1,913,704.80
  6. Step 6: Final answer
    x = 1,454,896.30

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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.