Finding the Fourth Proportional to 5,302,534.71, 7,318,122.18 and 2,979,432.24
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Solution
The fourth proportional to 5,302,534.71, 7,318,122.18 and 2,979,432.24 is: 4,111,967.27
Step by Step Solution
- Step 1: Write the proportion equation
5,302,534.71 : 7,318,122.18 = 2,979,432.24 : x - Step 2: Convert to fraction form
5,302,534.71/7,318,122.18 = 2,979,432.24/x - Step 3: Cross multiply
5,302,534.71x = 7,318,122.18 × 2,979,432.24 - Step 4: Simplify right side
5,302,534.71x = 21,803,849,159,351.08 - Step 5: Solve for x
x = 21,803,849,159,351.08/5,302,534.71 - Step 6: Final answer
x = 4,111,967.27
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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.