Finding the Fourth Proportional to 1,683,551.79, 2,525,700.84 and 485,380.62
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Solution
The fourth proportional to 1,683,551.79, 2,525,700.84 and 485,380.62 is: 728,178.51
Step by Step Solution
- Step 1: Write the proportion equation
1,683,551.79 : 2,525,700.84 = 485,380.62 : x - Step 2: Convert to fraction form
1,683,551.79/2,525,700.84 = 485,380.62/x - Step 3: Cross multiply
1,683,551.79x = 2,525,700.84 × 485,380.62 - Step 4: Simplify right side
1,683,551.79x = 1,225,926,239,653.72 - Step 5: Solve for x
x = 1,225,926,239,653.72/1,683,551.79 - Step 6: Final answer
x = 728,178.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.