Finding the Fourth Proportional to 2,563,861.18, 3,537,985.28 and 1,402,078.18
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Solution
The fourth proportional to 2,563,861.18, 3,537,985.28 and 1,402,078.18 is: 1,934,789.61
Step by Step Solution
- Step 1: Write the proportion equation
2,563,861.18 : 3,537,985.28 = 1,402,078.18 : x - Step 2: Convert to fraction form
2,563,861.18/3,537,985.28 = 1,402,078.18/x - Step 3: Cross multiply
2,563,861.18x = 3,537,985.28 × 1,402,078.18 - Step 4: Simplify right side
2,563,861.18x = 4,960,531,962,249.19 - Step 5: Solve for x
x = 4,960,531,962,249.19/2,563,861.18 - Step 6: Final answer
x = 1,934,789.61
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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.