Finding the Fourth Proportional to 1,492,152.36, 2,236,344.07 and 638,209.05
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Solution
The fourth proportional to 1,492,152.36, 2,236,344.07 and 638,209.05 is: 956,507.57
Step by Step Solution
- Step 1: Write the proportion equation
1,492,152.36 : 2,236,344.07 = 638,209.05 : x - Step 2: Convert to fraction form
1,492,152.36/2,236,344.07 = 638,209.05/x - Step 3: Cross multiply
1,492,152.36x = 2,236,344.07 × 638,209.05 - Step 4: Simplify right side
1,492,152.36x = 1,427,255,024,387.83 - Step 5: Solve for x
x = 1,427,255,024,387.83/1,492,152.36 - Step 6: Final answer
x = 956,507.57
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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.