Finding the Fourth Proportional to 2,387,011.92, 3,294,163.38 and 1,299,230.93
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Solution
The fourth proportional to 2,387,011.92, 3,294,163.38 and 1,299,230.93 is: 1,792,985.99
Step by Step Solution
- Step 1: Write the proportion equation
2,387,011.92 : 3,294,163.38 = 1,299,230.93 : x - Step 2: Convert to fraction form
2,387,011.92/3,294,163.38 = 1,299,230.93/x - Step 3: Cross multiply
2,387,011.92x = 3,294,163.38 × 1,299,230.93 - Step 4: Simplify right side
2,387,011.92x = 4,279,878,935,298.53 - Step 5: Solve for x
x = 4,279,878,935,298.53/2,387,011.92 - Step 6: Final answer
x = 1,792,985.99
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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.