Finding the Fourth Proportional to 5,136,330.08, 7,076,722.55 and 3,390,890.85
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Solution
The fourth proportional to 5,136,330.08, 7,076,722.55 and 3,390,890.85 is: 4,671,894.78
Step by Step Solution
- Step 1: Write the proportion equation
5,136,330.08 : 7,076,722.55 = 3,390,890.85 : x - Step 2: Convert to fraction form
5,136,330.08/7,076,722.55 = 3,390,890.85/x - Step 3: Cross multiply
5,136,330.08x = 7,076,722.55 × 3,390,890.85 - Step 4: Simplify right side
5,136,330.08x = 23,996,393,725,829.21 - Step 5: Solve for x
x = 23,996,393,725,829.21/5,136,330.08 - Step 6: Final answer
x = 4,671,894.78
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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.