Finding the Fourth Proportional to 3,458,803.28, 4,774,555.40 and 2,235,209.58
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Solution
The fourth proportional to 3,458,803.28, 4,774,555.40 and 2,235,209.58 is: 3,085,498.40
Step by Step Solution
- Step 1: Write the proportion equation
3,458,803.28 : 4,774,555.40 = 2,235,209.58 : x - Step 2: Convert to fraction form
3,458,803.28/4,774,555.40 = 2,235,209.58/x - Step 3: Cross multiply
3,458,803.28x = 4,774,555.40 × 2,235,209.58 - Step 4: Simplify right side
3,458,803.28x = 10,672,131,959,144.68 - Step 5: Solve for x
x = 10,672,131,959,144.68/3,458,803.28 - Step 6: Final answer
x = 3,085,498.40
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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.