Finding the Fourth Proportional to 4,552,151.65, 6,281,894.95 and 2,487,122.69
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Solution
The fourth proportional to 4,552,151.65, 6,281,894.95 and 2,487,122.69 is: 3,432,188.70
Step by Step Solution
- Step 1: Write the proportion equation
4,552,151.65 : 6,281,894.95 = 2,487,122.69 : x - Step 2: Convert to fraction form
4,552,151.65/6,281,894.95 = 2,487,122.69/x - Step 3: Cross multiply
4,552,151.65x = 6,281,894.95 × 2,487,122.69 - Step 4: Simplify right side
4,552,151.65x = 15,623,843,478,219.98 - Step 5: Solve for x
x = 15,623,843,478,219.98/4,552,151.65 - Step 6: Final answer
x = 3,432,188.70
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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.