Finding the Fourth Proportional to 4,689,765.47, 6,472,078.62 and 2,596,607.90
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Solution
The fourth proportional to 4,689,765.47, 6,472,078.62 and 2,596,607.90 is: 3,583,430.89
Step by Step Solution
- Step 1: Write the proportion equation
4,689,765.47 : 6,472,078.62 = 2,596,607.90 : x - Step 2: Convert to fraction form
4,689,765.47/6,472,078.62 = 2,596,607.90/x - Step 3: Cross multiply
4,689,765.47x = 6,472,078.62 × 2,596,607.90 - Step 4: Simplify right side
4,689,765.47x = 16,805,450,463,588.68 - Step 5: Solve for x
x = 16,805,450,463,588.68/4,689,765.47 - Step 6: Final answer
x = 3,583,430.89
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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.