Finding the Fourth Proportional to 2,830,992.12, 4,246,462.26 and 1,147,695.48
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Solution
The fourth proportional to 2,830,992.12, 4,246,462.26 and 1,147,695.48 is: 1,721,532.71
Step by Step Solution
- Step 1: Write the proportion equation
2,830,992.12 : 4,246,462.26 = 1,147,695.48 : x - Step 2: Convert to fraction form
2,830,992.12/4,246,462.26 = 1,147,695.48/x - Step 3: Cross multiply
2,830,992.12x = 4,246,462.26 × 1,147,695.48 - Step 4: Simplify right side
2,830,992.12x = 4,873,645,541,792.58 - Step 5: Solve for x
x = 4,873,645,541,792.58/2,830,992.12 - Step 6: Final answer
x = 1,721,532.71
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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.