Finding the Fourth Proportional to 6,779,953.38, 10,169,930.07 and 2,992,681.74
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Solution
The fourth proportional to 6,779,953.38, 10,169,930.07 and 2,992,681.74 is: 4,489,022.61
Step by Step Solution
- Step 1: Write the proportion equation
6,779,953.38 : 10,169,930.07 = 2,992,681.74 : x - Step 2: Convert to fraction form
6,779,953.38/10,169,930.07 = 2,992,681.74/x - Step 3: Cross multiply
6,779,953.38x = 10,169,930.07 × 2,992,681.74 - Step 4: Simplify right side
6,779,953.38x = 30,435,364,017,565.93 - Step 5: Solve for x
x = 30,435,364,017,565.93/6,779,953.38 - Step 6: Final answer
x = 4,489,022.61
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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.