Finding the Fourth Proportional to 3,069,151.92, 4,235,461.86 and 1,692,544.74
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Solution
The fourth proportional to 3,069,151.92, 4,235,461.86 and 1,692,544.74 is: 2,335,729.50
Step by Step Solution
- Step 1: Write the proportion equation
3,069,151.92 : 4,235,461.86 = 1,692,544.74 : x - Step 2: Convert to fraction form
3,069,151.92/4,235,461.86 = 1,692,544.74/x - Step 3: Cross multiply
3,069,151.92x = 4,235,461.86 × 1,692,544.74 - Step 4: Simplify right side
3,069,151.92x = 7,168,708,692,613.62 - Step 5: Solve for x
x = 7,168,708,692,613.62/3,069,151.92 - Step 6: Final answer
x = 2,335,729.50
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1.5x scale
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.