Finding the Fourth Proportional to 7,046,291.40, 10,565,590.71 and 2,121,604.80
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Solution
The fourth proportional to 7,046,291.40, 10,565,590.71 and 2,121,604.80 is: 3,181,249.07
Step by Step Solution
- Step 1: Write the proportion equation
7,046,291.40 : 10,565,590.71 = 2,121,604.80 : x - Step 2: Convert to fraction form
7,046,291.40/10,565,590.71 = 2,121,604.80/x - Step 3: Cross multiply
7,046,291.40x = 10,565,590.71 × 2,121,604.80 - Step 4: Simplify right side
7,046,291.40x = 22,416,007,965,171.41 - Step 5: Solve for x
x = 22,416,007,965,171.41/7,046,291.40 - Step 6: Final answer
x = 3,181,249.07
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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.