Finding the Fourth Proportional to 1,681,002.82, 2,319,737.97 and 917,056.18
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Solution
The fourth proportional to 1,681,002.82, 2,319,737.97 and 917,056.18 is: 1,265,512.48
Step by Step Solution
- Step 1: Write the proportion equation
1,681,002.82 : 2,319,737.97 = 917,056.18 : x - Step 2: Convert to fraction form
1,681,002.82/2,319,737.97 = 917,056.18/x - Step 3: Cross multiply
1,681,002.82x = 2,319,737.97 × 917,056.18 - Step 4: Simplify right side
1,681,002.82x = 2,127,330,041,369.15 - Step 5: Solve for x
x = 2,127,330,041,369.15/1,681,002.82 - Step 6: Final answer
x = 1,265,512.48
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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.