Finding the Fourth Proportional to 4,257,605.22, 6,387,424.65 and 1,417,741.98
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Solution
The fourth proportional to 4,257,605.22, 6,387,424.65 and 1,417,741.98 is: 2,126,951.56
Step by Step Solution
- Step 1: Write the proportion equation
4,257,605.22 : 6,387,424.65 = 1,417,741.98 : x - Step 2: Convert to fraction form
4,257,605.22/6,387,424.65 = 1,417,741.98/x - Step 3: Cross multiply
4,257,605.22x = 6,387,424.65 × 1,417,741.98 - Step 4: Simplify right side
4,257,605.22x = 9,055,720,070,391.81 - Step 5: Solve for x
x = 9,055,720,070,391.81/4,257,605.22 - Step 6: Final answer
x = 2,126,951.56
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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.