Finding the Fourth Proportional to 2,897,416.80, 4,350,272.40 and 1,637,704.80
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Solution
The fourth proportional to 2,897,416.80, 4,350,272.40 and 1,637,704.80 is: 2,458,901.32
Step by Step Solution
- Step 1: Write the proportion equation
2,897,416.80 : 4,350,272.40 = 1,637,704.80 : x - Step 2: Convert to fraction form
2,897,416.80/4,350,272.40 = 1,637,704.80/x - Step 3: Cross multiply
2,897,416.80x = 4,350,272.40 × 1,637,704.80 - Step 4: Simplify right side
2,897,416.80x = 7,124,461,990,787.52 - Step 5: Solve for x
x = 7,124,461,990,787.52/2,897,416.80 - Step 6: Final answer
x = 2,458,901.32
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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.