Finding the Fourth Proportional to 3,386,992.62, 4,674,010.11 and 1,838,257.08
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Solution
The fourth proportional to 3,386,992.62, 4,674,010.11 and 1,838,257.08 is: 2,536,773.22
Step by Step Solution
- Step 1: Write the proportion equation
3,386,992.62 : 4,674,010.11 = 1,838,257.08 : x - Step 2: Convert to fraction form
3,386,992.62/4,674,010.11 = 1,838,257.08/x - Step 3: Cross multiply
3,386,992.62x = 4,674,010.11 × 1,838,257.08 - Step 4: Simplify right side
3,386,992.62x = 8,592,032,176,699.08 - Step 5: Solve for x
x = 8,592,032,176,699.08/3,386,992.62 - Step 6: Final answer
x = 2,536,773.22
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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.