Finding the Fourth Proportional to 5,684,671.71, 7,844,867.87 and 3,106,352.88
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Solution
The fourth proportional to 5,684,671.71, 7,844,867.87 and 3,106,352.88 is: 4,286,778.40
Step by Step Solution
- Step 1: Write the proportion equation
5,684,671.71 : 7,844,867.87 = 3,106,352.88 : x - Step 2: Convert to fraction form
5,684,671.71/7,844,867.87 = 3,106,352.88/x - Step 3: Cross multiply
5,684,671.71x = 7,844,867.87 × 3,106,352.88 - Step 4: Simplify right side
5,684,671.71x = 24,368,927,885,662.20 - Step 5: Solve for x
x = 24,368,927,885,662.20/5,684,671.71 - Step 6: Final answer
x = 4,286,778.40
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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.