Finding the Fourth Proportional to 1,976,177.07, 2,727,126.27 and 1,070,759.07
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Solution
The fourth proportional to 1,976,177.07, 2,727,126.27 and 1,070,759.07 is: 1,477,648.55
Step by Step Solution
- Step 1: Write the proportion equation
1,976,177.07 : 2,727,126.27 = 1,070,759.07 : x - Step 2: Convert to fraction form
1,976,177.07/2,727,126.27 = 1,070,759.07/x - Step 3: Cross multiply
1,976,177.07x = 2,727,126.27 × 1,070,759.07 - Step 4: Simplify right side
1,976,177.07x = 2,920,095,188,637.77 - Step 5: Solve for x
x = 2,920,095,188,637.77/1,976,177.07 - Step 6: Final answer
x = 1,477,648.55
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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.