Finding the Fourth Proportional to 4,370,121.51, 6,028,854.49 and 4,167,509.63
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Solution
The fourth proportional to 4,370,121.51, 6,028,854.49 and 4,167,509.63 is: 5,749,338.80
Step by Step Solution
- Step 1: Write the proportion equation
4,370,121.51 : 6,028,854.49 = 4,167,509.63 : x - Step 2: Convert to fraction form
4,370,121.51/6,028,854.49 = 4,167,509.63/x - Step 3: Cross multiply
4,370,121.51x = 6,028,854.49 × 4,167,509.63 - Step 4: Simplify right side
4,370,121.51x = 25,125,309,120,008.85 - Step 5: Solve for x
x = 25,125,309,120,008.85/4,370,121.51 - Step 6: Final answer
x = 5,749,338.80
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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.