Finding the Fourth Proportional to 1,686,701.31, 2,327,666.75 and 912,347.79
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Solution
The fourth proportional to 1,686,701.31, 2,327,666.75 and 912,347.79 is: 1,259,050.19
Step by Step Solution
- Step 1: Write the proportion equation
1,686,701.31 : 2,327,666.75 = 912,347.79 : x - Step 2: Convert to fraction form
1,686,701.31/2,327,666.75 = 912,347.79/x - Step 3: Cross multiply
1,686,701.31x = 2,327,666.75 × 912,347.79 - Step 4: Simplify right side
1,686,701.31x = 2,123,641,610,657.24 - Step 5: Solve for x
x = 2,123,641,610,657.24/1,686,701.31 - Step 6: Final answer
x = 1,259,050.19
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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.