Finding the Fourth Proportional to 1,750,239.30, 2,625,358.95 and 420,543.30
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Solution
The fourth proportional to 1,750,239.30, 2,625,358.95 and 420,543.30 is: 630,814.95
Step by Step Solution
- Step 1: Write the proportion equation
1,750,239.30 : 2,625,358.95 = 420,543.30 : x - Step 2: Convert to fraction form
1,750,239.30/2,625,358.95 = 420,543.30/x - Step 3: Cross multiply
1,750,239.30x = 2,625,358.95 × 420,543.30 - Step 4: Simplify right side
1,750,239.30x = 1,104,077,116,517.54 - Step 5: Solve for x
x = 1,104,077,116,517.54/1,750,239.30 - Step 6: Final answer
x = 630,814.95
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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.