Finding the Fourth Proportional to 6,340,397.91, 8,750,574.47 and 3,550,583.70
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Solution
The fourth proportional to 6,340,397.91, 8,750,574.47 and 3,550,583.70 is: 4,900,267.70
Step by Step Solution
- Step 1: Write the proportion equation
6,340,397.91 : 8,750,574.47 = 3,550,583.70 : x - Step 2: Convert to fraction form
6,340,397.91/8,750,574.47 = 3,550,583.70/x - Step 3: Cross multiply
6,340,397.91x = 8,750,574.47 × 3,550,583.70 - Step 4: Simplify right side
6,340,397.91x = 31,069,647,078,818.14 - Step 5: Solve for x
x = 31,069,647,078,818.14/6,340,397.91 - Step 6: Final answer
x = 4,900,267.70
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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.