Finding the Fourth Proportional to 4,787,689.48, 6,599,293.31 and 3,238,386.14
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Solution
The fourth proportional to 4,787,689.48, 6,599,293.31 and 3,238,386.14 is: 4,463,752.31
Step by Step Solution
- Step 1: Write the proportion equation
4,787,689.48 : 6,599,293.31 = 3,238,386.14 : x - Step 2: Convert to fraction form
4,787,689.48/6,599,293.31 = 3,238,386.14/x - Step 3: Cross multiply
4,787,689.48x = 6,599,293.31 × 3,238,386.14 - Step 4: Simplify right side
4,787,689.48x = 21,371,059,988,898.72 - Step 5: Solve for x
x = 21,371,059,988,898.72/4,787,689.48 - Step 6: Final answer
x = 4,463,752.31
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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.