Finding the Fourth Proportional to 2,460,432.48, 3,395,319.84 and 1,442,515.20
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Solution
The fourth proportional to 2,460,432.48, 3,395,319.84 and 1,442,515.20 is: 1,990,625.84
Step by Step Solution
- Step 1: Write the proportion equation
2,460,432.48 : 3,395,319.84 = 1,442,515.20 : x - Step 2: Convert to fraction form
2,460,432.48/3,395,319.84 = 1,442,515.20/x - Step 3: Cross multiply
2,460,432.48x = 3,395,319.84 × 1,442,515.20 - Step 4: Simplify right side
2,460,432.48x = 4,897,800,478,061.57 - Step 5: Solve for x
x = 4,897,800,478,061.57/2,460,432.48 - Step 6: Final answer
x = 1,990,625.84
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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.