Finding the Fourth Proportional to 7,926,565.26, 10,939,334.68 and 4,489,417.74
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Solution
The fourth proportional to 7,926,565.26, 10,939,334.68 and 4,489,417.74 is: 6,195,778.57
Step by Step Solution
- Step 1: Write the proportion equation
7,926,565.26 : 10,939,334.68 = 4,489,417.74 : x - Step 2: Convert to fraction form
7,926,565.26/10,939,334.68 = 4,489,417.74/x - Step 3: Cross multiply
7,926,565.26x = 10,939,334.68 × 4,489,417.74 - Step 4: Simplify right side
7,926,565.26x = 49,111,243,176,189.23 - Step 5: Solve for x
x = 49,111,243,176,189.23/7,926,565.26 - Step 6: Final answer
x = 6,195,778.57
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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.