Finding the Fourth Proportional to 6,997,365.70, 9,656,551.29 and 3,941,397.70
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Solution
The fourth proportional to 6,997,365.70, 9,656,551.29 and 3,941,397.70 is: 5,439,233.95
Step by Step Solution
- Step 1: Write the proportion equation
6,997,365.70 : 9,656,551.29 = 3,941,397.70 : x - Step 2: Convert to fraction form
6,997,365.70/9,656,551.29 = 3,941,397.70/x - Step 3: Cross multiply
6,997,365.70x = 9,656,551.29 × 3,941,397.70 - Step 4: Simplify right side
6,997,365.70x = 38,060,309,044,338.03 - Step 5: Solve for x
x = 38,060,309,044,338.03/6,997,365.70 - Step 6: Final answer
x = 5,439,233.95
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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.