Finding the Fourth Proportional to 2,428,876.71, 3,352,134.15 and 2,020,257.63
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Solution
The fourth proportional to 2,428,876.71, 3,352,134.15 and 2,020,257.63 is: 2,788,191.99
Step by Step Solution
- Step 1: Write the proportion equation
2,428,876.71 : 3,352,134.15 = 2,020,257.63 : x - Step 2: Convert to fraction form
2,428,876.71/3,352,134.15 = 2,020,257.63/x - Step 3: Cross multiply
2,428,876.71x = 3,352,134.15 × 2,020,257.63 - Step 4: Simplify right side
2,428,876.71x = 6,772,174,593,321.06 - Step 5: Solve for x
x = 6,772,174,593,321.06/2,428,876.71 - Step 6: Final answer
x = 2,788,191.99
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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.