Finding the Fourth Proportional to 2,503,541.40, 3,454,888.05 and 1,357,621.44
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Solution
The fourth proportional to 2,503,541.40, 3,454,888.05 and 1,357,621.44 is: 1,873,518.09
Step by Step Solution
- Step 1: Write the proportion equation
2,503,541.40 : 3,454,888.05 = 1,357,621.44 : x - Step 2: Convert to fraction form
2,503,541.40/3,454,888.05 = 1,357,621.44/x - Step 3: Cross multiply
2,503,541.40x = 3,454,888.05 × 1,357,621.44 - Step 4: Simplify right side
2,503,541.40x = 4,690,430,089,479.79 - Step 5: Solve for x
x = 4,690,430,089,479.79/2,503,541.40 - Step 6: Final answer
x = 1,873,518.09
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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.