Finding the Fourth Proportional to 1,839,951.74, 2,539,162.12 and 1,024,164.28
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Solution
The fourth proportional to 1,839,951.74, 2,539,162.12 and 1,024,164.28 is: 1,413,362.69
Step by Step Solution
- Step 1: Write the proportion equation
1,839,951.74 : 2,539,162.12 = 1,024,164.28 : x - Step 2: Convert to fraction form
1,839,951.74/2,539,162.12 = 1,024,164.28/x - Step 3: Cross multiply
1,839,951.74x = 2,539,162.12 × 1,024,164.28 - Step 4: Simplify right side
1,839,951.74x = 2,600,519,144,433.07 - Step 5: Solve for x
x = 2,600,519,144,433.07/1,839,951.74 - Step 6: Final answer
x = 1,413,362.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.