Finding the Fourth Proportional to 2,833,158.14, 3,909,644.17 and 1,543,970.85
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Solution
The fourth proportional to 2,833,158.14, 3,909,644.17 and 1,543,970.85 is: 2,130,617.61
Step by Step Solution
- Step 1: Write the proportion equation
2,833,158.14 : 3,909,644.17 = 1,543,970.85 : x - Step 2: Convert to fraction form
2,833,158.14/3,909,644.17 = 1,543,970.85/x - Step 3: Cross multiply
2,833,158.14x = 3,909,644.17 × 1,543,970.85 - Step 4: Simplify right side
2,833,158.14x = 6,036,376,632,352.44 - Step 5: Solve for x
x = 6,036,376,632,352.44/2,833,158.14 - Step 6: Final answer
x = 2,130,617.61
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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.