Finding the Fourth Proportional to 2,267,210.88, 3,128,720.26 and 1,287,141.02
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Solution
The fourth proportional to 2,267,210.88, 3,128,720.26 and 1,287,141.02 is: 1,776,237.15
Step by Step Solution
- Step 1: Write the proportion equation
2,267,210.88 : 3,128,720.26 = 1,287,141.02 : x - Step 2: Convert to fraction form
2,267,210.88/3,128,720.26 = 1,287,141.02/x - Step 3: Cross multiply
2,267,210.88x = 3,128,720.26 × 1,287,141.02 - Step 4: Simplify right side
2,267,210.88x = 4,027,104,186,751.07 - Step 5: Solve for x
x = 4,027,104,186,751.07/2,267,210.88 - Step 6: Final answer
x = 1,776,237.15
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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.