Finding the Fourth Proportional to 1,787,238.66, 2,466,392.49 and 971,440.13
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Solution
The fourth proportional to 1,787,238.66, 2,466,392.49 and 971,440.13 is: 1,340,589.09
Step by Step Solution
- Step 1: Write the proportion equation
1,787,238.66 : 2,466,392.49 = 971,440.13 : x - Step 2: Convert to fraction form
1,787,238.66/2,466,392.49 = 971,440.13/x - Step 3: Cross multiply
1,787,238.66x = 2,466,392.49 × 971,440.13 - Step 4: Simplify right side
1,787,238.66x = 2,395,952,641,116.62 - Step 5: Solve for x
x = 2,395,952,641,116.62/1,787,238.66 - Step 6: Final answer
x = 1,340,589.09
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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.