Finding the Fourth Proportional to 2,116,849.24, 2,921,276.91 and 1,149,994.81
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Solution
The fourth proportional to 2,116,849.24, 2,921,276.91 and 1,149,994.81 is: 1,587,006.40
Step by Step Solution
- Step 1: Write the proportion equation
2,116,849.24 : 2,921,276.91 = 1,149,994.81 : x - Step 2: Convert to fraction form
2,116,849.24/2,921,276.91 = 1,149,994.81/x - Step 3: Cross multiply
2,116,849.24x = 2,921,276.91 × 1,149,994.81 - Step 4: Simplify right side
2,116,849.24x = 3,359,453,285,072.84 - Step 5: Solve for x
x = 3,359,453,285,072.84/2,116,849.24 - Step 6: Final answer
x = 1,587,006.40
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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.