Finding the Fourth Proportional to 6,452,690.81, 8,906,593.74 and 4,217,793.02
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Solution
The fourth proportional to 6,452,690.81, 8,906,593.74 and 4,217,793.02 is: 5,821,783.49
Step by Step Solution
- Step 1: Write the proportion equation
6,452,690.81 : 8,906,593.74 = 4,217,793.02 : x - Step 2: Convert to fraction form
6,452,690.81/8,906,593.74 = 4,217,793.02/x - Step 3: Cross multiply
6,452,690.81x = 8,906,593.74 × 4,217,793.02 - Step 4: Simplify right side
6,452,690.81x = 37,566,168,842,925.76 - Step 5: Solve for x
x = 37,566,168,842,925.76/6,452,690.81 - Step 6: Final answer
x = 5,821,783.49
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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.