Finding the Fourth Proportional to 2,925,543.68, 4,037,264.88 and 1,636,384.06
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Solution
The fourth proportional to 2,925,543.68, 4,037,264.88 and 1,636,384.06 is: 2,258,218.17
Step by Step Solution
- Step 1: Write the proportion equation
2,925,543.68 : 4,037,264.88 = 1,636,384.06 : x - Step 2: Convert to fraction form
2,925,543.68/4,037,264.88 = 1,636,384.06/x - Step 3: Cross multiply
2,925,543.68x = 4,037,264.88 × 1,636,384.06 - Step 4: Simplify right side
2,925,543.68x = 6,606,515,894,539.95 - Step 5: Solve for x
x = 6,606,515,894,539.95/2,925,543.68 - Step 6: Final answer
x = 2,258,218.17
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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.