Home / 2,019,921-2,787,549.34-1,114,561.32

Finding the Fourth Proportional to 2,019,921, 2,787,549.34 and 1,114,561.32

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Solution

The fourth proportional to 2,019,921, 2,787,549.34 and 1,114,561.32 is: 1,538,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,921 : 2,787,549.34 = 1,114,561.32 : x
  2. Step 2: Convert to fraction form
    2,019,921/2,787,549.34 = 1,114,561.32/x
  3. Step 3: Cross multiply
    2,019,921x = 2,787,549.34 × 1,114,561.32
  4. Step 4: Simplify right side
    2,019,921x = 3,106,894,671,955.53
  5. Step 5: Solve for x
    x = 3,106,894,671,955.53/2,019,921
  6. Step 6: Final answer
    x = 1,538,126.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.