Finding the Fourth Proportional to 2,191,430.62, 3,024,116.13 and 1,224,568.81
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Solution
The fourth proportional to 2,191,430.62, 3,024,116.13 and 1,224,568.81 is: 1,689,872.48
Step by Step Solution
- Step 1: Write the proportion equation
2,191,430.62 : 3,024,116.13 = 1,224,568.81 : x - Step 2: Convert to fraction form
2,191,430.62/3,024,116.13 = 1,224,568.81/x - Step 3: Cross multiply
2,191,430.62x = 3,024,116.13 × 1,224,568.81 - Step 4: Simplify right side
2,191,430.62x = 3,703,238,290,615.91 - Step 5: Solve for x
x = 3,703,238,290,615.91/2,191,430.62 - Step 6: Final answer
x = 1,689,872.48
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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.