Finding the Fourth Proportional to 1,805,587.80, 2,708,381.70 and 808,315.80
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Solution
The fourth proportional to 1,805,587.80, 2,708,381.70 and 808,315.80 is: 1,212,473.70
Step by Step Solution
- Step 1: Write the proportion equation
1,805,587.80 : 2,708,381.70 = 808,315.80 : x - Step 2: Convert to fraction form
1,805,587.80/2,708,381.70 = 808,315.80/x - Step 3: Cross multiply
1,805,587.80x = 2,708,381.70 × 808,315.80 - Step 4: Simplify right side
1,805,587.80x = 2,189,227,720,540.86 - Step 5: Solve for x
x = 2,189,227,720,540.86/1,805,587.80 - Step 6: Final answer
x = 1,212,473.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.