Finding the Fourth Proportional to 5,329,554.12, 7,352,719.38 and 3,395,468.52
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Solution
The fourth proportional to 5,329,554.12, 7,352,719.38 and 3,395,468.52 is: 4,684,430.75
Step by Step Solution
- Step 1: Write the proportion equation
5,329,554.12 : 7,352,719.38 = 3,395,468.52 : x - Step 2: Convert to fraction form
5,329,554.12/7,352,719.38 = 3,395,468.52/x - Step 3: Cross multiply
5,329,554.12x = 7,352,719.38 × 3,395,468.52 - Step 4: Simplify right side
5,329,554.12x = 24,965,927,191,183.92 - Step 5: Solve for x
x = 24,965,927,191,183.92/5,329,554.12 - Step 6: Final answer
x = 4,684,430.75
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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.