Finding the Fourth Proportional to 2,787,427.58, 4,180,659.28 and 738,117.62
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Solution
The fourth proportional to 2,787,427.58, 4,180,659.28 and 738,117.62 is: 1,107,048.77
Step by Step Solution
- Step 1: Write the proportion equation
2,787,427.58 : 4,180,659.28 = 738,117.62 : x - Step 2: Convert to fraction form
2,787,427.58/4,180,659.28 = 738,117.62/x - Step 3: Cross multiply
2,787,427.58x = 4,180,659.28 × 738,117.62 - Step 4: Simplify right side
2,787,427.58x = 3,085,818,256,881.22 - Step 5: Solve for x
x = 3,085,818,256,881.22/2,787,427.58 - Step 6: Final answer
x = 1,107,048.77
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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.