Finding the Fourth Proportional to 5,125,281.86, 7,074,670.14 and 2,950,691.70
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Solution
The fourth proportional to 5,125,281.86, 7,074,670.14 and 2,950,691.70 is: 4,072,979.99
Step by Step Solution
- Step 1: Write the proportion equation
5,125,281.86 : 7,074,670.14 = 2,950,691.70 : x - Step 2: Convert to fraction form
5,125,281.86/7,074,670.14 = 2,950,691.70/x - Step 3: Cross multiply
5,125,281.86x = 7,074,670.14 × 2,950,691.70 - Step 4: Simplify right side
5,125,281.86x = 20,875,170,462,335.84 - Step 5: Solve for x
x = 20,875,170,462,335.84/5,125,281.86 - Step 6: Final answer
x = 4,072,979.99
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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.