Finding the Fourth Proportional to 5,706,548.70, 8,547,381.45 and 4,711,220.70
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Solution
The fourth proportional to 5,706,548.70, 8,547,381.45 and 4,711,220.70 is: 7,056,559.50
Step by Step Solution
- Step 1: Write the proportion equation
5,706,548.70 : 8,547,381.45 = 4,711,220.70 : x - Step 2: Convert to fraction form
5,706,548.70/8,547,381.45 = 4,711,220.70/x - Step 3: Cross multiply
5,706,548.70x = 8,547,381.45 × 4,711,220.70 - Step 4: Simplify right side
5,706,548.70x = 40,268,600,418,036.02 - Step 5: Solve for x
x = 40,268,600,418,036.02/5,706,548.70 - Step 6: Final answer
x = 7,056,559.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.