Finding the Fourth Proportional to 5,719,941.53, 7,891,598.70 and 3,238,823.09
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Solution
The fourth proportional to 5,719,941.53, 7,891,598.70 and 3,238,823.09 is: 4,468,488.35
Step by Step Solution
- Step 1: Write the proportion equation
5,719,941.53 : 7,891,598.70 = 3,238,823.09 : x - Step 2: Convert to fraction form
5,719,941.53/7,891,598.70 = 3,238,823.09/x - Step 3: Cross multiply
5,719,941.53x = 7,891,598.70 × 3,238,823.09 - Step 4: Simplify right side
5,719,941.53x = 25,559,492,086,573.98 - Step 5: Solve for x
x = 25,559,492,086,573.98/5,719,941.53 - Step 6: Final answer
x = 4,468,488.35
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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.