Finding the Fourth Proportional to 5,468,510.80, 8,201,988.60 and 1,874,443.60
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Solution
The fourth proportional to 5,468,510.80, 8,201,988.60 and 1,874,443.60 is: 2,811,398.86
Step by Step Solution
- Step 1: Write the proportion equation
5,468,510.80 : 8,201,988.60 = 1,874,443.60 : x - Step 2: Convert to fraction form
5,468,510.80/8,201,988.60 = 1,874,443.60/x - Step 3: Cross multiply
5,468,510.80x = 8,201,988.60 × 1,874,443.60 - Step 4: Simplify right side
5,468,510.80x = 15,374,165,038,542.96 - Step 5: Solve for x
x = 15,374,165,038,542.96/5,468,510.80 - Step 6: Final answer
x = 2,811,398.86
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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.