Finding the Fourth Proportional to 2,861,509.23, 3,948,881.62 and 1,572,432.75
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Solution
The fourth proportional to 2,861,509.23, 3,948,881.62 and 1,572,432.75 is: 2,169,956.58
Step by Step Solution
- Step 1: Write the proportion equation
2,861,509.23 : 3,948,881.62 = 1,572,432.75 : x - Step 2: Convert to fraction form
2,861,509.23/3,948,881.62 = 1,572,432.75/x - Step 3: Cross multiply
2,861,509.23x = 3,948,881.62 × 1,572,432.75 - Step 4: Simplify right side
2,861,509.23x = 6,209,350,785,161.06 - Step 5: Solve for x
x = 6,209,350,785,161.06/2,861,509.23 - Step 6: Final answer
x = 2,169,956.58
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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.