Finding the Fourth Proportional to 1,660,612.16, 2,291,634.64 and 935,693.35
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Solution
The fourth proportional to 1,660,612.16, 2,291,634.64 and 935,693.35 is: 1,291,251.11
Step by Step Solution
- Step 1: Write the proportion equation
1,660,612.16 : 2,291,634.64 = 935,693.35 : x - Step 2: Convert to fraction form
1,660,612.16/2,291,634.64 = 935,693.35/x - Step 3: Cross multiply
1,660,612.16x = 2,291,634.64 × 935,693.35 - Step 4: Simplify right side
1,660,612.16x = 2,144,267,293,277.64 - Step 5: Solve for x
x = 2,144,267,293,277.64/1,660,612.16 - Step 6: Final answer
x = 1,291,251.11
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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.