Finding the Fourth Proportional to 2,631,968.24, 3,953,545.92 and 2,478,391.76
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Solution
The fourth proportional to 2,631,968.24, 3,953,545.92 and 2,478,391.76 is: 3,722,854.81
Step by Step Solution
- Step 1: Write the proportion equation
2,631,968.24 : 3,953,545.92 = 2,478,391.76 : x - Step 2: Convert to fraction form
2,631,968.24/3,953,545.92 = 2,478,391.76/x - Step 3: Cross multiply
2,631,968.24x = 3,953,545.92 × 2,478,391.76 - Step 4: Simplify right side
2,631,968.24x = 9,798,435,630,909.62 - Step 5: Solve for x
x = 9,798,435,630,909.62/2,631,968.24 - Step 6: Final answer
x = 3,722,854.81
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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.