Finding the Fourth Proportional to 2,528,841.68, 3,489,862.12 and 1,441,090
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Solution
The fourth proportional to 2,528,841.68, 3,489,862.12 and 1,441,090 is: 1,988,738.73
Step by Step Solution
- Step 1: Write the proportion equation
2,528,841.68 : 3,489,862.12 = 1,441,090 : x - Step 2: Convert to fraction form
2,528,841.68/3,489,862.12 = 1,441,090/x - Step 3: Cross multiply
2,528,841.68x = 3,489,862.12 × 1,441,090 - Step 4: Simplify right side
2,528,841.68x = 5,029,205,402,510.80 - Step 5: Solve for x
x = 5,029,205,402,510.80/2,528,841.68 - Step 6: Final answer
x = 1,988,738.73
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1.5x scale
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.