Finding the Fourth Proportional to 1,685,292.52, 2,325,711.88 and 921,346.08
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Solution
The fourth proportional to 1,685,292.52, 2,325,711.88 and 921,346.08 is: 1,271,462.07
Step by Step Solution
- Step 1: Write the proportion equation
1,685,292.52 : 2,325,711.88 = 921,346.08 : x - Step 2: Convert to fraction form
1,685,292.52/2,325,711.88 = 921,346.08/x - Step 3: Cross multiply
1,685,292.52x = 2,325,711.88 × 921,346.08 - Step 4: Simplify right side
1,685,292.52x = 2,142,785,523,847.43 - Step 5: Solve for x
x = 2,142,785,523,847.43/1,685,292.52 - Step 6: Final answer
x = 1,271,462.07
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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.