Finding the Fourth Proportional to 5,720,491.04, 7,894,413.93 and 3,142,225.82
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Solution
The fourth proportional to 5,720,491.04, 7,894,413.93 and 3,142,225.82 is: 4,336,346.50
Step by Step Solution
- Step 1: Write the proportion equation
5,720,491.04 : 7,894,413.93 = 3,142,225.82 : x - Step 2: Convert to fraction form
5,720,491.04/7,894,413.93 = 3,142,225.82/x - Step 3: Cross multiply
5,720,491.04x = 7,894,413.93 × 3,142,225.82 - Step 4: Simplify right side
5,720,491.04x = 24,806,031,284,613.67 - Step 5: Solve for x
x = 24,806,031,284,613.67/5,720,491.04 - Step 6: Final answer
x = 4,336,346.50
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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.