Home / 2,019,918-2,787,545.20-1,114,558.32

Finding the Fourth Proportional to 2,019,918, 2,787,545.20 and 1,114,558.32

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Solution

The fourth proportional to 2,019,918, 2,787,545.20 and 1,114,558.32 is: 1,538,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,918 : 2,787,545.20 = 1,114,558.32 : x
  2. Step 2: Convert to fraction form
    2,019,918/2,787,545.20 = 1,114,558.32/x
  3. Step 3: Cross multiply
    2,019,918x = 2,787,545.20 × 1,114,558.32
  4. Step 4: Simplify right side
    2,019,918x = 3,106,881,695,036.06
  5. Step 5: Solve for x
    x = 3,106,881,695,036.06/2,019,918
  6. Step 6: Final answer
    x = 1,538,122.68

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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.