Finding the Fourth Proportional to 6,238,360.98, 9,358,434.09 and 1,920,776.49
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Solution
The fourth proportional to 6,238,360.98, 9,358,434.09 and 1,920,776.49 is: 2,881,439.57
Step by Step Solution
- Step 1: Write the proportion equation
6,238,360.98 : 9,358,434.09 = 1,920,776.49 : x - Step 2: Convert to fraction form
6,238,360.98/9,358,434.09 = 1,920,776.49/x - Step 3: Cross multiply
6,238,360.98x = 9,358,434.09 × 1,920,776.49 - Step 4: Simplify right side
6,238,360.98x = 17,975,460,183,286.54 - Step 5: Solve for x
x = 17,975,460,183,286.54/6,238,360.98 - Step 6: Final answer
x = 2,881,439.57
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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.