Finding the Fourth Proportional to 4,787,331.84, 6,606,510.41 and 2,611,875.19
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Solution
The fourth proportional to 4,787,331.84, 6,606,510.41 and 2,611,875.19 is: 3,604,383.64
Step by Step Solution
- Step 1: Write the proportion equation
4,787,331.84 : 6,606,510.41 = 2,611,875.19 : x - Step 2: Convert to fraction form
4,787,331.84/6,606,510.41 = 2,611,875.19/x - Step 3: Cross multiply
4,787,331.84x = 6,606,510.41 × 2,611,875.19 - Step 4: Simplify right side
4,787,331.84x = 17,255,380,586,263.80 - Step 5: Solve for x
x = 17,255,380,586,263.80/4,787,331.84 - Step 6: Final answer
x = 3,604,383.64
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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.