Finding the Fourth Proportional to 5,211,460.41, 7,191,816.06 and 2,888,502.74
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Solution
The fourth proportional to 5,211,460.41, 7,191,816.06 and 2,888,502.74 is: 3,986,134.16
Step by Step Solution
- Step 1: Write the proportion equation
5,211,460.41 : 7,191,816.06 = 2,888,502.74 : x - Step 2: Convert to fraction form
5,211,460.41/7,191,816.06 = 2,888,502.74/x - Step 3: Cross multiply
5,211,460.41x = 7,191,816.06 × 2,888,502.74 - Step 4: Simplify right side
5,211,460.41x = 20,773,580,358,926.92 - Step 5: Solve for x
x = 20,773,580,358,926.92/5,211,460.41 - Step 6: Final answer
x = 3,986,134.16
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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.