Finding the Fourth Proportional to 4,953,565.14, 7,420,678.55 and 3,412,926.15
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Solution
The fourth proportional to 4,953,565.14, 7,420,678.55 and 3,412,926.15 is: 5,112,727.33
Step by Step Solution
- Step 1: Write the proportion equation
4,953,565.14 : 7,420,678.55 = 3,412,926.15 : x - Step 2: Convert to fraction form
4,953,565.14/7,420,678.55 = 3,412,926.15/x - Step 3: Cross multiply
4,953,565.14x = 7,420,678.55 × 3,412,926.15 - Step 4: Simplify right side
4,953,565.14x = 25,326,227,884,058.46 - Step 5: Solve for x
x = 25,326,227,884,058.46/4,953,565.14 - Step 6: Final answer
x = 5,112,727.33
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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.