Finding the Fourth Proportional to 4,031,116.19, 5,562,940.41 and 2,220,280.19
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Solution
The fourth proportional to 4,031,116.19, 5,562,940.41 and 2,220,280.19 is: 3,063,986.70
Step by Step Solution
- Step 1: Write the proportion equation
4,031,116.19 : 5,562,940.41 = 2,220,280.19 : x - Step 2: Convert to fraction form
4,031,116.19/5,562,940.41 = 2,220,280.19/x - Step 3: Cross multiply
4,031,116.19x = 5,562,940.41 × 2,220,280.19 - Step 4: Simplify right side
4,031,116.19x = 12,351,286,390,473.48 - Step 5: Solve for x
x = 12,351,286,390,473.48/4,031,116.19 - Step 6: Final answer
x = 3,063,986.70
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Double scale
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1.5x scale
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.