Finding the Fourth Proportional to 1,591,371.08, 2,387,033.35 and 393,293.53
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Solution
The fourth proportional to 1,591,371.08, 2,387,033.35 and 393,293.53 is: 589,934.54
Step by Step Solution
- Step 1: Write the proportion equation
1,591,371.08 : 2,387,033.35 = 393,293.53 : x - Step 2: Convert to fraction form
1,591,371.08/2,387,033.35 = 393,293.53/x - Step 3: Cross multiply
1,591,371.08x = 2,387,033.35 × 393,293.53 - Step 4: Simplify right side
1,591,371.08x = 938,804,761,022.72 - Step 5: Solve for x
x = 938,804,761,022.72/1,591,371.08 - Step 6: Final answer
x = 589,934.54
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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.