Finding the Fourth Proportional to 5,574,502.80, 8,361,754.20 and 1,788,368.40
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Solution
The fourth proportional to 5,574,502.80, 8,361,754.20 and 1,788,368.40 is: 2,682,552.60
Step by Step Solution
- Step 1: Write the proportion equation
5,574,502.80 : 8,361,754.20 = 1,788,368.40 : x - Step 2: Convert to fraction form
5,574,502.80/8,361,754.20 = 1,788,368.40/x - Step 3: Cross multiply
5,574,502.80x = 8,361,754.20 × 1,788,368.40 - Step 4: Simplify right side
5,574,502.80x = 14,953,896,979,847.28 - Step 5: Solve for x
x = 14,953,896,979,847.28/5,574,502.80 - Step 6: Final answer
x = 2,682,552.60
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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.