Finding the Fourth Proportional to 5,478,068.64, 7,560,772.56 and 3,670,373.28
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Solution
The fourth proportional to 5,478,068.64, 7,560,772.56 and 3,670,373.28 is: 5,065,810.49
Step by Step Solution
- Step 1: Write the proportion equation
5,478,068.64 : 7,560,772.56 = 3,670,373.28 : x - Step 2: Convert to fraction form
5,478,068.64/7,560,772.56 = 3,670,373.28/x - Step 3: Cross multiply
5,478,068.64x = 7,560,772.56 × 3,670,373.28 - Step 4: Simplify right side
5,478,068.64x = 27,750,857,580,381.20 - Step 5: Solve for x
x = 27,750,857,580,381.20/5,478,068.64 - Step 6: Final answer
x = 5,065,810.49
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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.