Finding the Fourth Proportional to 1,730,123.04, 2,387,772.72 and 1,439,220.96
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Solution
The fourth proportional to 1,730,123.04, 2,387,772.72 and 1,439,220.96 is: 1,986,293.73
Step by Step Solution
- Step 1: Write the proportion equation
1,730,123.04 : 2,387,772.72 = 1,439,220.96 : x - Step 2: Convert to fraction form
1,730,123.04/2,387,772.72 = 1,439,220.96/x - Step 3: Cross multiply
1,730,123.04x = 2,387,772.72 × 1,439,220.96 - Step 4: Simplify right side
1,730,123.04x = 3,436,532,546,340.21 - Step 5: Solve for x
x = 3,436,532,546,340.21/1,730,123.04 - Step 6: Final answer
x = 1,986,293.73
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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.