Finding the Fourth Proportional to 1,653,203.69, 2,281,496.69 and 918,160.84
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Solution
The fourth proportional to 1,653,203.69, 2,281,496.69 and 918,160.84 is: 1,267,103.95
Step by Step Solution
- Step 1: Write the proportion equation
1,653,203.69 : 2,281,496.69 = 918,160.84 : x - Step 2: Convert to fraction form
1,653,203.69/2,281,496.69 = 918,160.84/x - Step 3: Cross multiply
1,653,203.69x = 2,281,496.69 × 918,160.84 - Step 4: Simplify right side
1,653,203.69x = 2,094,780,913,939.28 - Step 5: Solve for x
x = 2,094,780,913,939.28/1,653,203.69 - Step 6: Final answer
x = 1,267,103.95
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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.