Finding the Fourth Proportional to 6,977,350.71, 9,628,751.98 and 3,879,807.56
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Solution
The fourth proportional to 6,977,350.71, 9,628,751.98 and 3,879,807.56 is: 5,354,138.88
Step by Step Solution
- Step 1: Write the proportion equation
6,977,350.71 : 9,628,751.98 = 3,879,807.56 : x - Step 2: Convert to fraction form
6,977,350.71/9,628,751.98 = 3,879,807.56/x - Step 3: Cross multiply
6,977,350.71x = 9,628,751.98 × 3,879,807.56 - Step 4: Simplify right side
6,977,350.71x = 37,357,704,725,368.97 - Step 5: Solve for x
x = 37,357,704,725,368.97/6,977,350.71 - Step 6: Final answer
x = 5,354,138.88
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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.