Finding the Fourth Proportional to 2,512,695.60, 3,740,625.80 and 2,497,748.78
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Solution
The fourth proportional to 2,512,695.60, 3,740,625.80 and 2,497,748.78 is: 3,718,374.61
Step by Step Solution
- Step 1: Write the proportion equation
2,512,695.60 : 3,740,625.80 = 2,497,748.78 : x - Step 2: Convert to fraction form
2,512,695.60/3,740,625.80 = 2,497,748.78/x - Step 3: Cross multiply
2,512,695.60x = 3,740,625.80 × 2,497,748.78 - Step 4: Simplify right side
2,512,695.60x = 9,343,143,528,386.52 - Step 5: Solve for x
x = 9,343,143,528,386.52/2,512,695.60 - Step 6: Final answer
x = 3,718,374.61
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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.