Finding the Fourth Proportional to 4,877,479.03, 6,729,705.08 and 2,813,125.99
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Solution
The fourth proportional to 4,877,479.03, 6,729,705.08 and 2,813,125.99 is: 3,881,412.54
Step by Step Solution
- Step 1: Write the proportion equation
4,877,479.03 : 6,729,705.08 = 2,813,125.99 : x - Step 2: Convert to fraction form
4,877,479.03/6,729,705.08 = 2,813,125.99/x - Step 3: Cross multiply
4,877,479.03x = 6,729,705.08 × 2,813,125.99 - Step 4: Simplify right side
4,877,479.03x = 18,931,508,231,934.50 - Step 5: Solve for x
x = 18,931,508,231,934.50/4,877,479.03 - Step 6: Final answer
x = 3,881,412.54
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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.