Finding the Fourth Proportional to 2,708,643.84, 3,737,970.36 and 1,485,066.48
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Solution
The fourth proportional to 2,708,643.84, 3,737,970.36 and 1,485,066.48 is: 2,049,414.69
Step by Step Solution
- Step 1: Write the proportion equation
2,708,643.84 : 3,737,970.36 = 1,485,066.48 : x - Step 2: Convert to fraction form
2,708,643.84/3,737,970.36 = 1,485,066.48/x - Step 3: Cross multiply
2,708,643.84x = 3,737,970.36 × 1,485,066.48 - Step 4: Simplify right side
2,708,643.84x = 5,551,134,484,869.53 - Step 5: Solve for x
x = 5,551,134,484,869.53/2,708,643.84 - Step 6: Final answer
x = 2,049,414.69
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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.