Finding the Fourth Proportional to 4,342,417.60, 6,508,960.80 and 1,645,700.80
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Solution
The fourth proportional to 4,342,417.60, 6,508,960.80 and 1,645,700.80 is: 2,466,783.02
Step by Step Solution
- Step 1: Write the proportion equation
4,342,417.60 : 6,508,960.80 = 1,645,700.80 : x - Step 2: Convert to fraction form
4,342,417.60/6,508,960.80 = 1,645,700.80/x - Step 3: Cross multiply
4,342,417.60x = 6,508,960.80 × 1,645,700.80 - Step 4: Simplify right side
4,342,417.60x = 10,711,801,995,728.64 - Step 5: Solve for x
x = 10,711,801,995,728.64/4,342,417.60 - Step 6: Final answer
x = 2,466,783.02
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1.5x scale
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.