Finding the Fourth Proportional to 2,381,447.79, 3,286,420.70 and 1,293,727.55
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Solution
The fourth proportional to 2,381,447.79, 3,286,420.70 and 1,293,727.55 is: 1,785,356.37
Step by Step Solution
- Step 1: Write the proportion equation
2,381,447.79 : 3,286,420.70 = 1,293,727.55 : x - Step 2: Convert to fraction form
2,381,447.79/3,286,420.70 = 1,293,727.55/x - Step 3: Cross multiply
2,381,447.79x = 3,286,420.70 × 1,293,727.55 - Step 4: Simplify right side
2,381,447.79x = 4,251,732,977,579.54 - Step 5: Solve for x
x = 4,251,732,977,579.54/2,381,447.79 - Step 6: Final answer
x = 1,785,356.37
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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.