Finding the Fourth Proportional to 3,413,903.10, 4,711,512.18 and 1,865,400.18
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Solution
The fourth proportional to 3,413,903.10, 4,711,512.18 and 1,865,400.18 is: 2,574,430.33
Step by Step Solution
- Step 1: Write the proportion equation
3,413,903.10 : 4,711,512.18 = 1,865,400.18 : x - Step 2: Convert to fraction form
3,413,903.10/4,711,512.18 = 1,865,400.18/x - Step 3: Cross multiply
3,413,903.10x = 4,711,512.18 × 1,865,400.18 - Step 4: Simplify right side
3,413,903.10x = 8,788,855,668,644.19 - Step 5: Solve for x
x = 8,788,855,668,644.19/3,413,903.10 - Step 6: Final answer
x = 2,574,430.33
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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.