Finding the Fourth Proportional to 2,656,220.20, 3,963,613.40 and 2,369,942.80
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Solution
The fourth proportional to 2,656,220.20, 3,963,613.40 and 2,369,942.80 is: 3,536,430.09
Step by Step Solution
- Step 1: Write the proportion equation
2,656,220.20 : 3,963,613.40 = 2,369,942.80 : x - Step 2: Convert to fraction form
2,656,220.20/3,963,613.40 = 2,369,942.80/x - Step 3: Cross multiply
2,656,220.20x = 3,963,613.40 × 2,369,942.80 - Step 4: Simplify right side
2,656,220.20x = 9,393,537,039,313.52 - Step 5: Solve for x
x = 9,393,537,039,313.52/2,656,220.20 - Step 6: Final answer
x = 3,536,430.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.