Finding the Fourth Proportional to 1,577,459.21, 2,366,587.98 and 440,221.28
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Solution
The fourth proportional to 1,577,459.21, 2,366,587.98 and 440,221.28 is: 660,443.31
Step by Step Solution
- Step 1: Write the proportion equation
1,577,459.21 : 2,366,587.98 = 440,221.28 : x - Step 2: Convert to fraction form
1,577,459.21/2,366,587.98 = 440,221.28/x - Step 3: Cross multiply
1,577,459.21x = 2,366,587.98 × 440,221.28 - Step 4: Simplify right side
1,577,459.21x = 1,041,822,389,788.21 - Step 5: Solve for x
x = 1,041,822,389,788.21/1,577,459.21 - Step 6: Final answer
x = 660,443.31
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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.