Finding the Fourth Proportional to 2,683,505.84, 3,708,551.40 and 2,199,307.28
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Solution
The fourth proportional to 2,683,505.84, 3,708,551.40 and 2,199,307.28 is: 3,039,398.67
Step by Step Solution
- Step 1: Write the proportion equation
2,683,505.84 : 3,708,551.40 = 2,199,307.28 : x - Step 2: Convert to fraction form
2,683,505.84/3,708,551.40 = 2,199,307.28/x - Step 3: Cross multiply
2,683,505.84x = 3,708,551.40 × 2,199,307.28 - Step 4: Simplify right side
2,683,505.84x = 8,156,244,092,274.19 - Step 5: Solve for x
x = 8,156,244,092,274.19/2,683,505.84 - Step 6: Final answer
x = 3,039,398.67
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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.