Finding the Fourth Proportional to 2,265,075.12, 3,125,804.16 and 1,246,479.86
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Solution
The fourth proportional to 2,265,075.12, 3,125,804.16 and 1,246,479.86 is: 1,720,142.48
Step by Step Solution
- Step 1: Write the proportion equation
2,265,075.12 : 3,125,804.16 = 1,246,479.86 : x - Step 2: Convert to fraction form
2,265,075.12/3,125,804.16 = 1,246,479.86/x - Step 3: Cross multiply
2,265,075.12x = 3,125,804.16 × 1,246,479.86 - Step 4: Simplify right side
2,265,075.12x = 3,896,251,931,744.22 - Step 5: Solve for x
x = 3,896,251,931,744.22/2,265,075.12 - Step 6: Final answer
x = 1,720,142.48
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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.