Finding the Fourth Proportional to 6,446,402.52, 9,668,552.20 and 1,896,387.58
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Solution
The fourth proportional to 6,446,402.52, 9,668,552.20 and 1,896,387.58 is: 2,844,272.02
Step by Step Solution
- Step 1: Write the proportion equation
6,446,402.52 : 9,668,552.20 = 1,896,387.58 : x - Step 2: Convert to fraction form
6,446,402.52/9,668,552.20 = 1,896,387.58/x - Step 3: Cross multiply
6,446,402.52x = 9,668,552.20 × 1,896,387.58 - Step 4: Simplify right side
6,446,402.52x = 18,335,322,308,661.68 - Step 5: Solve for x
x = 18,335,322,308,661.68/6,446,402.52 - Step 6: Final answer
x = 2,844,272.02
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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.