Finding the Fourth Proportional to 5,364,139.47, 7,402,549.06 and 2,916,777.12
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Solution
The fourth proportional to 5,364,139.47, 7,402,549.06 and 2,916,777.12 is: 4,025,172.32
Step by Step Solution
- Step 1: Write the proportion equation
5,364,139.47 : 7,402,549.06 = 2,916,777.12 : x - Step 2: Convert to fraction form
5,364,139.47/7,402,549.06 = 2,916,777.12/x - Step 3: Cross multiply
5,364,139.47x = 7,402,549.06 × 2,916,777.12 - Step 4: Simplify right side
5,364,139.47x = 21,591,585,727,885.51 - Step 5: Solve for x
x = 21,591,585,727,885.51/5,364,139.47 - Step 6: Final answer
x = 4,025,172.32
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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.