Finding the Fourth Proportional to 4,631,185.80, 6,390,966.42 and 2,594,068.20
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Solution
The fourth proportional to 4,631,185.80, 6,390,966.42 and 2,594,068.20 is: 3,579,774.92
Step by Step Solution
- Step 1: Write the proportion equation
4,631,185.80 : 6,390,966.42 = 2,594,068.20 : x - Step 2: Convert to fraction form
4,631,185.80/6,390,966.42 = 2,594,068.20/x - Step 3: Cross multiply
4,631,185.80x = 6,390,966.42 × 2,594,068.20 - Step 4: Simplify right side
4,631,185.80x = 16,578,602,757,389.85 - Step 5: Solve for x
x = 16,578,602,757,389.85/4,631,185.80 - Step 6: Final answer
x = 3,579,774.92
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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.