Finding the Fourth Proportional to 3,214,863.04, 4,436,447.64 and 1,819,398.84
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Solution
The fourth proportional to 3,214,863.04, 4,436,447.64 and 1,819,398.84 is: 2,510,734.54
Step by Step Solution
- Step 1: Write the proportion equation
3,214,863.04 : 4,436,447.64 = 1,819,398.84 : x - Step 2: Convert to fraction form
3,214,863.04/4,436,447.64 = 1,819,398.84/x - Step 3: Cross multiply
3,214,863.04x = 4,436,447.64 × 1,819,398.84 - Step 4: Simplify right side
3,214,863.04x = 8,071,667,689,936.74 - Step 5: Solve for x
x = 8,071,667,689,936.74/3,214,863.04 - Step 6: Final answer
x = 2,510,734.54
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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.