Finding the Fourth Proportional to 2,196,674.16, 3,281,652.92 and 1,421,860.17
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Solution
The fourth proportional to 2,196,674.16, 3,281,652.92 and 1,421,860.17 is: 2,124,143.71
Step by Step Solution
- Step 1: Write the proportion equation
2,196,674.16 : 3,281,652.92 = 1,421,860.17 : x - Step 2: Convert to fraction form
2,196,674.16/3,281,652.92 = 1,421,860.17/x - Step 3: Cross multiply
2,196,674.16x = 3,281,652.92 × 1,421,860.17 - Step 4: Simplify right side
2,196,674.16x = 4,666,051,588,146.24 - Step 5: Solve for x
x = 4,666,051,588,146.24/2,196,674.16 - Step 6: Final answer
x = 2,124,143.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.