Finding the Fourth Proportional to 6,438,767.79, 8,885,570.27 and 3,538,159.41
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Solution
The fourth proportional to 6,438,767.79, 8,885,570.27 and 3,538,159.41 is: 4,882,698.84
Step by Step Solution
- Step 1: Write the proportion equation
6,438,767.79 : 8,885,570.27 = 3,538,159.41 : x - Step 2: Convert to fraction form
6,438,767.79/8,885,570.27 = 3,538,159.41/x - Step 3: Cross multiply
6,438,767.79x = 8,885,570.27 × 3,538,159.41 - Step 4: Simplify right side
6,438,767.79x = 31,438,564,001,898.09 - Step 5: Solve for x
x = 31,438,564,001,898.09/6,438,767.79 - Step 6: Final answer
x = 4,882,698.84
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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.