Finding the Fourth Proportional to 1,687,649.97, 2,328,948.03 and 913,280.36
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Solution
The fourth proportional to 1,687,649.97, 2,328,948.03 and 913,280.36 is: 1,260,322.05
Step by Step Solution
- Step 1: Write the proportion equation
1,687,649.97 : 2,328,948.03 = 913,280.36 : x - Step 2: Convert to fraction form
1,687,649.97/2,328,948.03 = 913,280.36/x - Step 3: Cross multiply
1,687,649.97x = 2,328,948.03 × 913,280.36 - Step 4: Simplify right side
1,687,649.97x = 2,126,982,481,902.55 - Step 5: Solve for x
x = 2,126,982,481,902.55/1,687,649.97 - Step 6: Final answer
x = 1,260,322.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.