Finding the Fourth Proportional to 7,290,623.70, 10,935,935.55 and 4,456,271.70
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Solution
The fourth proportional to 7,290,623.70, 10,935,935.55 and 4,456,271.70 is: 6,684,407.55
Step by Step Solution
- Step 1: Write the proportion equation
7,290,623.70 : 10,935,935.55 = 4,456,271.70 : x - Step 2: Convert to fraction form
7,290,623.70/10,935,935.55 = 4,456,271.70/x - Step 3: Cross multiply
7,290,623.70x = 10,935,935.55 × 4,456,271.70 - Step 4: Simplify right side
7,290,623.70x = 48,733,500,104,488.94 - Step 5: Solve for x
x = 48,733,500,104,488.94/7,290,623.70 - Step 6: Final answer
x = 6,684,407.55
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1.5x scale
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.