Finding the Fourth Proportional to 2,703,656.56, 3,730,716.12 and 2,153,772.76
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Solution
The fourth proportional to 2,703,656.56, 3,730,716.12 and 2,153,772.76 is: 2,971,943.58
Step by Step Solution
- Step 1: Write the proportion equation
2,703,656.56 : 3,730,716.12 = 2,153,772.76 : x - Step 2: Convert to fraction form
2,703,656.56/3,730,716.12 = 2,153,772.76/x - Step 3: Cross multiply
2,703,656.56x = 3,730,716.12 × 2,153,772.76 - Step 4: Simplify right side
2,703,656.56x = 8,035,114,754,548.89 - Step 5: Solve for x
x = 8,035,114,754,548.89/2,703,656.56 - Step 6: Final answer
x = 2,971,943.58
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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.