Finding the Fourth Proportional to 4,517,869.36, 6,774,814.68 and 2,122,394.80
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Solution
The fourth proportional to 4,517,869.36, 6,774,814.68 and 2,122,394.80 is: 3,182,657.64
Step by Step Solution
- Step 1: Write the proportion equation
4,517,869.36 : 6,774,814.68 = 2,122,394.80 : x - Step 2: Convert to fraction form
4,517,869.36/6,774,814.68 = 2,122,394.80/x - Step 3: Cross multiply
4,517,869.36x = 6,774,814.68 × 2,122,394.80 - Step 4: Simplify right side
4,517,869.36x = 14,378,831,447,795.66 - Step 5: Solve for x
x = 14,378,831,447,795.66/4,517,869.36 - Step 6: Final answer
x = 3,182,657.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.