Finding the Fourth Proportional to 1,687,305.80, 2,531,177.40 and 834,813.20
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Solution
The fourth proportional to 1,687,305.80, 2,531,177.40 and 834,813.20 is: 1,252,328.00
Step by Step Solution
- Step 1: Write the proportion equation
1,687,305.80 : 2,531,177.40 = 834,813.20 : x - Step 2: Convert to fraction form
1,687,305.80/2,531,177.40 = 834,813.20/x - Step 3: Cross multiply
1,687,305.80x = 2,531,177.40 × 834,813.20 - Step 4: Simplify right side
1,687,305.80x = 2,113,060,305,061.68 - Step 5: Solve for x
x = 2,113,060,305,061.68/1,687,305.80 - Step 6: Final answer
x = 1,252,328.00
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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.