Finding the Fourth Proportional to 5,107,565.54, 7,048,439.61 and 2,932,248.98
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Solution
The fourth proportional to 5,107,565.54, 7,048,439.61 and 2,932,248.98 is: 4,046,503.11
Step by Step Solution
- Step 1: Write the proportion equation
5,107,565.54 : 7,048,439.61 = 2,932,248.98 : x - Step 2: Convert to fraction form
5,107,565.54/7,048,439.61 = 2,932,248.98/x - Step 3: Cross multiply
5,107,565.54x = 7,048,439.61 × 2,932,248.98 - Step 4: Simplify right side
5,107,565.54x = 20,667,779,857,014.10 - Step 5: Solve for x
x = 20,667,779,857,014.10/5,107,565.54 - Step 6: Final answer
x = 4,046,503.11
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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.