Finding the Fourth Proportional to 3,590,108.84, 4,975,309.79 and 3,521,981.09
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Solution
The fourth proportional to 3,590,108.84, 4,975,309.79 and 3,521,981.09 is: 4,880,895.76
Step by Step Solution
- Step 1: Write the proportion equation
3,590,108.84 : 4,975,309.79 = 3,521,981.09 : x - Step 2: Convert to fraction form
3,590,108.84/4,975,309.79 = 3,521,981.09/x - Step 3: Cross multiply
3,590,108.84x = 4,975,309.79 × 3,521,981.09 - Step 4: Simplify right side
3,590,108.84x = 17,522,946,997,271.87 - Step 5: Solve for x
x = 17,522,946,997,271.87/3,590,108.84 - Step 6: Final answer
x = 4,880,895.76
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.