Finding the Fourth Proportional to 4,948,454.50, 6,828,756.20 and 2,883,341.48
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Solution
The fourth proportional to 4,948,454.50, 6,828,756.20 and 2,883,341.48 is: 3,978,946.56
Step by Step Solution
- Step 1: Write the proportion equation
4,948,454.50 : 6,828,756.20 = 2,883,341.48 : x - Step 2: Convert to fraction form
4,948,454.50/6,828,756.20 = 2,883,341.48/x - Step 3: Cross multiply
4,948,454.50x = 6,828,756.20 × 2,883,341.48 - Step 4: Simplify right side
4,948,454.50x = 19,689,636,008,267.18 - Step 5: Solve for x
x = 19,689,636,008,267.18/4,948,454.50 - Step 6: Final answer
x = 3,978,946.56
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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.