Finding the Fourth Proportional to 1,577,230.11, 2,367,529.25 and 679,116.51
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Solution
The fourth proportional to 1,577,230.11, 2,367,529.25 and 679,116.51 is: 1,019,399.89
Step by Step Solution
- Step 1: Write the proportion equation
1,577,230.11 : 2,367,529.25 = 679,116.51 : x - Step 2: Convert to fraction form
1,577,230.11/2,367,529.25 = 679,116.51/x - Step 3: Cross multiply
1,577,230.11x = 2,367,529.25 × 679,116.51 - Step 4: Simplify right side
1,577,230.11x = 1,607,828,198,187.34 - Step 5: Solve for x
x = 1,607,828,198,187.34/1,577,230.11 - Step 6: Final answer
x = 1,019,399.89
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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.