Finding the Fourth Proportional to 2,085,417.80, 3,128,126.70 and 737,569.70
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Solution
The fourth proportional to 2,085,417.80, 3,128,126.70 and 737,569.70 is: 1,106,354.55
Step by Step Solution
- Step 1: Write the proportion equation
2,085,417.80 : 3,128,126.70 = 737,569.70 : x - Step 2: Convert to fraction form
2,085,417.80/3,128,126.70 = 737,569.70/x - Step 3: Cross multiply
2,085,417.80x = 3,128,126.70 × 737,569.70 - Step 4: Simplify right side
2,085,417.80x = 2,307,211,471,680.99 - Step 5: Solve for x
x = 2,307,211,471,680.99/2,085,417.80 - Step 6: Final answer
x = 1,106,354.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.