Finding the Fourth Proportional to 5,225,988.65, 7,211,620.62 and 2,903,031.72
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Solution
The fourth proportional to 5,225,988.65, 7,211,620.62 and 2,903,031.72 is: 4,006,048.39
Step by Step Solution
- Step 1: Write the proportion equation
5,225,988.65 : 7,211,620.62 = 2,903,031.72 : x - Step 2: Convert to fraction form
5,225,988.65/7,211,620.62 = 2,903,031.72/x - Step 3: Cross multiply
5,225,988.65x = 7,211,620.62 × 2,903,031.72 - Step 4: Simplify right side
5,225,988.65x = 20,935,563,412,466.07 - Step 5: Solve for x
x = 20,935,563,412,466.07/5,225,988.65 - Step 6: Final answer
x = 4,006,048.39
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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.