Finding the Fourth Proportional to 6,618,508.74, 9,134,461.35 and 3,718,120.23
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Solution
The fourth proportional to 6,618,508.74, 9,134,461.35 and 3,718,120.23 is: 5,131,522.35
Step by Step Solution
- Step 1: Write the proportion equation
6,618,508.74 : 9,134,461.35 = 3,718,120.23 : x - Step 2: Convert to fraction form
6,618,508.74/9,134,461.35 = 3,718,120.23/x - Step 3: Cross multiply
6,618,508.74x = 9,134,461.35 × 3,718,120.23 - Step 4: Simplify right side
6,618,508.74x = 33,963,025,535,588.11 - Step 5: Solve for x
x = 33,963,025,535,588.11/6,618,508.74 - Step 6: Final answer
x = 5,131,522.35
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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.