Finding the Fourth Proportional to 2,867,425.31, 3,955,032.29 and 1,887,051.98
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Solution
The fourth proportional to 2,867,425.31, 3,955,032.29 and 1,887,051.98 is: 2,602,805.89
Step by Step Solution
- Step 1: Write the proportion equation
2,867,425.31 : 3,955,032.29 = 1,887,051.98 : x - Step 2: Convert to fraction form
2,867,425.31/3,955,032.29 = 1,887,051.98/x - Step 3: Cross multiply
2,867,425.31x = 3,955,032.29 × 1,887,051.98 - Step 4: Simplify right side
2,867,425.31x = 7,463,351,484,598.01 - Step 5: Solve for x
x = 7,463,351,484,598.01/2,867,425.31 - Step 6: Final answer
x = 2,602,805.89
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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.