Finding the Fourth Proportional to 5,339,312.19, 7,368,206.16 and 2,891,866.41
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Solution
The fourth proportional to 5,339,312.19, 7,368,206.16 and 2,891,866.41 is: 3,990,751.46
Step by Step Solution
- Step 1: Write the proportion equation
5,339,312.19 : 7,368,206.16 = 2,891,866.41 : x - Step 2: Convert to fraction form
5,339,312.19/7,368,206.16 = 2,891,866.41/x - Step 3: Cross multiply
5,339,312.19x = 7,368,206.16 × 2,891,866.41 - Step 4: Simplify right side
5,339,312.19x = 21,307,867,896,059.09 - Step 5: Solve for x
x = 21,307,867,896,059.09/5,339,312.19 - Step 6: Final answer
x = 3,990,751.46
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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.