Finding the Fourth Proportional to 1,959,726.16, 2,939,618.70 and 680,374.24
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Solution
The fourth proportional to 1,959,726.16, 2,939,618.70 and 680,374.24 is: 1,020,571.59
Step by Step Solution
- Step 1: Write the proportion equation
1,959,726.16 : 2,939,618.70 = 680,374.24 : x - Step 2: Convert to fraction form
1,959,726.16/2,939,618.70 = 680,374.24/x - Step 3: Cross multiply
1,959,726.16x = 2,939,618.70 × 680,374.24 - Step 4: Simplify right side
1,959,726.16x = 2,000,040,838,902.29 - Step 5: Solve for x
x = 2,000,040,838,902.29/1,959,726.16 - Step 6: Final answer
x = 1,020,571.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.