Finding the Fourth Proportional to 1,591,787.94, 2,387,347.20 and 512,397.06
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Solution
The fourth proportional to 1,591,787.94, 2,387,347.20 and 512,397.06 is: 768,487.85
Step by Step Solution
- Step 1: Write the proportion equation
1,591,787.94 : 2,387,347.20 = 512,397.06 : x - Step 2: Convert to fraction form
1,591,787.94/2,387,347.20 = 512,397.06/x - Step 3: Cross multiply
1,591,787.94x = 2,387,347.20 × 512,397.06 - Step 4: Simplify right side
1,591,787.94x = 1,223,269,686,479.23 - Step 5: Solve for x
x = 1,223,269,686,479.23/1,591,787.94 - Step 6: Final answer
x = 768,487.85
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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.