Finding the Fourth Proportional to 2,748,636.12, 4,121,293.06 and 1,232,036.26
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Solution
The fourth proportional to 2,748,636.12, 4,121,293.06 and 1,232,036.26 is: 1,847,309.82
Step by Step Solution
- Step 1: Write the proportion equation
2,748,636.12 : 4,121,293.06 = 1,232,036.26 : x - Step 2: Convert to fraction form
2,748,636.12/4,121,293.06 = 1,232,036.26/x - Step 3: Cross multiply
2,748,636.12x = 4,121,293.06 × 1,232,036.26 - Step 4: Simplify right side
2,748,636.12x = 5,077,582,488,006.36 - Step 5: Solve for x
x = 5,077,582,488,006.36/2,748,636.12 - Step 6: Final answer
x = 1,847,309.82
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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.