Finding the Fourth Proportional to 2,649,643.84, 3,656,498.10 and 1,487,928.88
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Solution
The fourth proportional to 2,649,643.84, 3,656,498.10 and 1,487,928.88 is: 2,053,336.01
Step by Step Solution
- Step 1: Write the proportion equation
2,649,643.84 : 3,656,498.10 = 1,487,928.88 : x - Step 2: Convert to fraction form
2,649,643.84/3,656,498.10 = 1,487,928.88/x - Step 3: Cross multiply
2,649,643.84x = 3,656,498.10 × 1,487,928.88 - Step 4: Simplify right side
2,649,643.84x = 5,440,609,122,655.13 - Step 5: Solve for x
x = 5,440,609,122,655.13/2,649,643.84 - Step 6: Final answer
x = 2,053,336.01
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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.