Finding the Fourth Proportional to 4,832,990.68, 6,669,636.80 and 2,657,654.68
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Solution
The fourth proportional to 4,832,990.68, 6,669,636.80 and 2,657,654.68 is: 3,667,623.76
Step by Step Solution
- Step 1: Write the proportion equation
4,832,990.68 : 6,669,636.80 = 2,657,654.68 : x - Step 2: Convert to fraction form
4,832,990.68/6,669,636.80 = 2,657,654.68/x - Step 3: Cross multiply
4,832,990.68x = 6,669,636.80 × 2,657,654.68 - Step 4: Simplify right side
4,832,990.68x = 17,725,591,455,420.23 - Step 5: Solve for x
x = 17,725,591,455,420.23/4,832,990.68 - Step 6: Final answer
x = 3,667,623.76
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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.