Finding the Fourth Proportional to 6,438,370.09, 8,884,948.68 and 3,537,947.79
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Solution
The fourth proportional to 6,438,370.09, 8,884,948.68 and 3,537,947.79 is: 4,882,366.83
Step by Step Solution
- Step 1: Write the proportion equation
6,438,370.09 : 8,884,948.68 = 3,537,947.79 : x - Step 2: Convert to fraction form
6,438,370.09/8,884,948.68 = 3,537,947.79/x - Step 3: Cross multiply
6,438,370.09x = 8,884,948.68 × 3,537,947.79 - Step 4: Simplify right side
6,438,370.09x = 31,434,484,546,669.42 - Step 5: Solve for x
x = 31,434,484,546,669.42/6,438,370.09 - Step 6: Final answer
x = 4,882,366.83
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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.