Finding the Fourth Proportional to 3,361,762.35, 4,639,451.28 and 1,911,592.71
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Solution
The fourth proportional to 3,361,762.35, 4,639,451.28 and 1,911,592.71 is: 2,638,122.60
Step by Step Solution
- Step 1: Write the proportion equation
3,361,762.35 : 4,639,451.28 = 1,911,592.71 : x - Step 2: Convert to fraction form
3,361,762.35/4,639,451.28 = 1,911,592.71/x - Step 3: Cross multiply
3,361,762.35x = 4,639,451.28 × 1,911,592.71 - Step 4: Simplify right side
3,361,762.35x = 8,868,741,245,248.17 - Step 5: Solve for x
x = 8,868,741,245,248.17/3,361,762.35 - Step 6: Final answer
x = 2,638,122.60
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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.