Finding the Fourth Proportional to 5,537,899.68, 7,642,685.18 and 3,090,988.10
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Solution
The fourth proportional to 5,537,899.68, 7,642,685.18 and 3,090,988.10 is: 4,265,777.70
Step by Step Solution
- Step 1: Write the proportion equation
5,537,899.68 : 7,642,685.18 = 3,090,988.10 : x - Step 2: Convert to fraction form
5,537,899.68/7,642,685.18 = 3,090,988.10/x - Step 3: Cross multiply
5,537,899.68x = 7,642,685.18 × 3,090,988.10 - Step 4: Simplify right side
5,537,899.68x = 23,623,448,943,426.36 - Step 5: Solve for x
x = 23,623,448,943,426.36/5,537,899.68 - Step 6: Final answer
x = 4,265,777.70
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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.