Home / 1,948,118.05-2,686,662.16-1,223,033.32

Finding the Fourth Proportional to 1,948,118.05, 2,686,662.16 and 1,223,033.32

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Solution

The fourth proportional to 1,948,118.05, 2,686,662.16 and 1,223,033.32 is: 1,686,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,118.05 : 2,686,662.16 = 1,223,033.32 : x
  2. Step 2: Convert to fraction form
    1,948,118.05/2,686,662.16 = 1,223,033.32/x
  3. Step 3: Cross multiply
    1,948,118.05x = 2,686,662.16 × 1,223,033.32
  4. Step 4: Simplify right side
    1,948,118.05x = 3,285,877,341,263.17
  5. Step 5: Solve for x
    x = 3,285,877,341,263.17/1,948,118.05
  6. Step 6: Final answer
    x = 1,686,693.14

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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.