Finding the Fourth Proportional to 2,807,904.84, 4,212,382.14 and 1,125,139.56
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Solution
The fourth proportional to 2,807,904.84, 4,212,382.14 and 1,125,139.56 is: 1,687,919.66
Step by Step Solution
- Step 1: Write the proportion equation
2,807,904.84 : 4,212,382.14 = 1,125,139.56 : x - Step 2: Convert to fraction form
2,807,904.84/4,212,382.14 = 1,125,139.56/x - Step 3: Cross multiply
2,807,904.84x = 4,212,382.14 × 1,125,139.56 - Step 4: Simplify right side
2,807,904.84x = 4,739,517,787,551.46 - Step 5: Solve for x
x = 4,739,517,787,551.46/2,807,904.84 - Step 6: Final answer
x = 1,687,919.66
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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.