Finding the Fourth Proportional to 4,839,159.81, 6,677,989.74 and 2,663,656.41
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Solution
The fourth proportional to 4,839,159.81, 6,677,989.74 and 2,663,656.41 is: 3,675,817.88
Step by Step Solution
- Step 1: Write the proportion equation
4,839,159.81 : 6,677,989.74 = 2,663,656.41 : x - Step 2: Convert to fraction form
4,839,159.81/6,677,989.74 = 2,663,656.41/x - Step 3: Cross multiply
4,839,159.81x = 6,677,989.74 × 2,663,656.41 - Step 4: Simplify right side
4,839,159.81x = 17,787,870,176,865.23 - Step 5: Solve for x
x = 17,787,870,176,865.23/4,839,159.81 - Step 6: Final answer
x = 3,675,817.88
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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.