Finding the Fourth Proportional to 2,687,445.84, 3,708,675.12 and 1,480,221.84
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Solution
The fourth proportional to 2,687,445.84, 3,708,675.12 and 1,480,221.84 is: 2,042,706.06
Step by Step Solution
- Step 1: Write the proportion equation
2,687,445.84 : 3,708,675.12 = 1,480,221.84 : x - Step 2: Convert to fraction form
2,687,445.84/3,708,675.12 = 1,480,221.84/x - Step 3: Cross multiply
2,687,445.84x = 3,708,675.12 × 1,480,221.84 - Step 4: Simplify right side
2,687,445.84x = 5,489,661,910,088.62 - Step 5: Solve for x
x = 5,489,661,910,088.62/2,687,445.84 - Step 6: Final answer
x = 2,042,706.06
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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.