Finding the Fourth Proportional to 3,163,959.68, 4,366,619.26 and 1,787,392.09
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Solution
The fourth proportional to 3,163,959.68, 4,366,619.26 and 1,787,392.09 is: 2,466,801.57
Step by Step Solution
- Step 1: Write the proportion equation
3,163,959.68 : 4,366,619.26 = 1,787,392.09 : x - Step 2: Convert to fraction form
3,163,959.68/4,366,619.26 = 1,787,392.09/x - Step 3: Cross multiply
3,163,959.68x = 4,366,619.26 × 1,787,392.09 - Step 4: Simplify right side
3,163,959.68x = 7,804,860,709,980.63 - Step 5: Solve for x
x = 7,804,860,709,980.63/3,163,959.68 - Step 6: Final answer
x = 2,466,801.57
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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.