Finding the Fourth Proportional to 5,537,897.68, 7,642,682.42 and 3,090,986.10
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Solution
The fourth proportional to 5,537,897.68, 7,642,682.42 and 3,090,986.10 is: 4,265,774.94
Step by Step Solution
- Step 1: Write the proportion equation
5,537,897.68 : 7,642,682.42 = 3,090,986.10 : x - Step 2: Convert to fraction form
5,537,897.68/7,642,682.42 = 3,090,986.10/x - Step 3: Cross multiply
5,537,897.68x = 7,642,682.42 × 3,090,986.10 - Step 4: Simplify right side
5,537,897.68x = 23,623,425,126,934.36 - Step 5: Solve for x
x = 23,623,425,126,934.36/5,537,897.68 - Step 6: Final answer
x = 4,265,774.94
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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.