Finding the Fourth Proportional to 2,543,320.62, 3,506,274.95 and 2,028,819.76
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Solution
The fourth proportional to 2,543,320.62, 3,506,274.95 and 2,028,819.76 is: 2,796,973.31
Step by Step Solution
- Step 1: Write the proportion equation
2,543,320.62 : 3,506,274.95 = 2,028,819.76 : x - Step 2: Convert to fraction form
2,543,320.62/3,506,274.95 = 2,028,819.76/x - Step 3: Cross multiply
2,543,320.62x = 3,506,274.95 × 2,028,819.76 - Step 4: Simplify right side
2,543,320.62x = 7,113,599,883,643.23 - Step 5: Solve for x
x = 7,113,599,883,643.23/2,543,320.62 - Step 6: Final answer
x = 2,796,973.31
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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.