Finding the Fourth Proportional to 2,478,410.92, 3,716,116.98 and 1,111,934.44
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Solution
The fourth proportional to 2,478,410.92, 3,716,116.98 and 1,111,934.44 is: 1,667,228.96
Step by Step Solution
- Step 1: Write the proportion equation
2,478,410.92 : 3,716,116.98 = 1,111,934.44 : x - Step 2: Convert to fraction form
2,478,410.92/3,716,116.98 = 1,111,934.44/x - Step 3: Cross multiply
2,478,410.92x = 3,716,116.98 × 1,111,934.44 - Step 4: Simplify right side
2,478,410.92x = 4,132,078,453,130.79 - Step 5: Solve for x
x = 4,132,078,453,130.79/2,478,410.92 - Step 6: Final answer
x = 1,667,228.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.