Finding the Fourth Proportional to 2,989,897.52, 4,124,764.26 and 1,828,394.55
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Solution
The fourth proportional to 2,989,897.52, 4,124,764.26 and 1,828,394.55 is: 2,522,392.98
Step by Step Solution
- Step 1: Write the proportion equation
2,989,897.52 : 4,124,764.26 = 1,828,394.55 : x - Step 2: Convert to fraction form
2,989,897.52/4,124,764.26 = 1,828,394.55/x - Step 3: Cross multiply
2,989,897.52x = 4,124,764.26 × 1,828,394.55 - Step 4: Simplify right side
2,989,897.52x = 7,541,696,493,018.78 - Step 5: Solve for x
x = 7,541,696,493,018.78/2,989,897.52 - Step 6: Final answer
x = 2,522,392.98
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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.