Finding the Fourth Proportional to 4,610,989.18, 6,364,516.44 and 2,678,118.58
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Solution
The fourth proportional to 4,610,989.18, 6,364,516.44 and 2,678,118.58 is: 3,696,588.53
Step by Step Solution
- Step 1: Write the proportion equation
4,610,989.18 : 6,364,516.44 = 2,678,118.58 : x - Step 2: Convert to fraction form
4,610,989.18/6,364,516.44 = 2,678,118.58/x - Step 3: Cross multiply
4,610,989.18x = 6,364,516.44 × 2,678,118.58 - Step 4: Simplify right side
4,610,989.18x = 17,044,929,730,679.46 - Step 5: Solve for x
x = 17,044,929,730,679.46/4,610,989.18 - Step 6: Final answer
x = 3,696,588.53
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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.