Finding the Fourth Proportional to 4,322,431.19, 6,488,033.98 and 2,165,002.17
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Solution
The fourth proportional to 4,322,431.19, 6,488,033.98 and 2,165,002.17 is: 3,249,700.69
Step by Step Solution
- Step 1: Write the proportion equation
4,322,431.19 : 6,488,033.98 = 2,165,002.17 : x - Step 2: Convert to fraction form
4,322,431.19/6,488,033.98 = 2,165,002.17/x - Step 3: Cross multiply
4,322,431.19x = 6,488,033.98 × 2,165,002.17 - Step 4: Simplify right side
4,322,431.19x = 14,046,607,602,468.55 - Step 5: Solve for x
x = 14,046,607,602,468.55/4,322,431.19 - Step 6: Final answer
x = 3,249,700.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.