Finding the Fourth Proportional to 1,577,305.63, 2,176,682.79 and 852,152.95
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Solution
The fourth proportional to 1,577,305.63, 2,176,682.79 and 852,152.95 is: 1,175,971.62
Step by Step Solution
- Step 1: Write the proportion equation
1,577,305.63 : 2,176,682.79 = 852,152.95 : x - Step 2: Convert to fraction form
1,577,305.63/2,176,682.79 = 852,152.95/x - Step 3: Cross multiply
1,577,305.63x = 2,176,682.79 × 852,152.95 - Step 4: Simplify right side
1,577,305.63x = 1,854,866,660,712.73 - Step 5: Solve for x
x = 1,854,866,660,712.73/1,577,305.63 - Step 6: Final answer
x = 1,175,971.62
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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.