Finding the Fourth Proportional to 2,548,559.56, 3,516,947.46 and 1,386,956.44
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Solution
The fourth proportional to 2,548,559.56, 3,516,947.46 and 1,386,956.44 is: 1,913,964.66
Step by Step Solution
- Step 1: Write the proportion equation
2,548,559.56 : 3,516,947.46 = 1,386,956.44 : x - Step 2: Convert to fraction form
2,548,559.56/3,516,947.46 = 1,386,956.44/x - Step 3: Cross multiply
2,548,559.56x = 3,516,947.46 × 1,386,956.44 - Step 4: Simplify right side
2,548,559.56x = 4,877,852,928,788.64 - Step 5: Solve for x
x = 4,877,852,928,788.64/2,548,559.56 - Step 6: Final answer
x = 1,913,964.66
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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.