Finding the Fourth Proportional to 4,989,488.13, 6,885,503.51 and 2,697,648.80
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Solution
The fourth proportional to 4,989,488.13, 6,885,503.51 and 2,697,648.80 is: 3,722,760.68
Step by Step Solution
- Step 1: Write the proportion equation
4,989,488.13 : 6,885,503.51 = 2,697,648.80 : x - Step 2: Convert to fraction form
4,989,488.13/6,885,503.51 = 2,697,648.80/x - Step 3: Cross multiply
4,989,488.13x = 6,885,503.51 × 2,697,648.80 - Step 4: Simplify right side
4,989,488.13x = 18,574,670,233,231.53 - Step 5: Solve for x
x = 18,574,670,233,231.53/4,989,488.13 - Step 6: Final answer
x = 3,722,760.68
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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.