Finding the Fourth Proportional to 2,174,438.76, 3,000,801.24 and 1,207,585.08
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Solution
The fourth proportional to 2,174,438.76, 3,000,801.24 and 1,207,585.08 is: 1,666,509.48
Step by Step Solution
- Step 1: Write the proportion equation
2,174,438.76 : 3,000,801.24 = 1,207,585.08 : x - Step 2: Convert to fraction form
2,174,438.76/3,000,801.24 = 1,207,585.08/x - Step 3: Cross multiply
2,174,438.76x = 3,000,801.24 × 1,207,585.08 - Step 4: Simplify right side
2,174,438.76x = 3,623,722,805,469.50 - Step 5: Solve for x
x = 3,623,722,805,469.50/2,174,438.76 - Step 6: Final answer
x = 1,666,509.48
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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.