Finding the Fourth Proportional to 2,912,230.81, 4,018,898.46 and 1,623,154.24
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Solution
The fourth proportional to 2,912,230.81, 4,018,898.46 and 1,623,154.24 is: 2,239,963.97
Step by Step Solution
- Step 1: Write the proportion equation
2,912,230.81 : 4,018,898.46 = 1,623,154.24 : x - Step 2: Convert to fraction form
2,912,230.81/4,018,898.46 = 1,623,154.24/x - Step 3: Cross multiply
2,912,230.81x = 4,018,898.46 × 1,623,154.24 - Step 4: Simplify right side
2,912,230.81x = 6,523,292,075,478.47 - Step 5: Solve for x
x = 6,523,292,075,478.47/2,912,230.81 - Step 6: Final answer
x = 2,239,963.97
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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.