Finding the Fourth Proportional to 5,479,963.10, 8,220,463.05 and 1,490,875.10
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Solution
The fourth proportional to 5,479,963.10, 8,220,463.05 and 1,490,875.10 is: 2,236,453.69
Step by Step Solution
- Step 1: Write the proportion equation
5,479,963.10 : 8,220,463.05 = 1,490,875.10 : x - Step 2: Convert to fraction form
5,479,963.10/8,220,463.05 = 1,490,875.10/x - Step 3: Cross multiply
5,479,963.10x = 8,220,463.05 × 1,490,875.10 - Step 4: Simplify right side
5,479,963.10x = 12,255,683,671,715.05 - Step 5: Solve for x
x = 12,255,683,671,715.05/5,479,963.10 - Step 6: Final answer
x = 2,236,453.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.