Finding the Fourth Proportional to 2,031,449.45, 2,803,382.36 and 1,113,661.92
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Solution
The fourth proportional to 2,031,449.45, 2,803,382.36 and 1,113,661.92 is: 1,536,843.65
Step by Step Solution
- Step 1: Write the proportion equation
2,031,449.45 : 2,803,382.36 = 1,113,661.92 : x - Step 2: Convert to fraction form
2,031,449.45/2,803,382.36 = 1,113,661.92/x - Step 3: Cross multiply
2,031,449.45x = 2,803,382.36 × 1,113,661.92 - Step 4: Simplify right side
2,031,449.45x = 3,122,020,181,531.73 - Step 5: Solve for x
x = 3,122,020,181,531.73/2,031,449.45 - Step 6: Final answer
x = 1,536,843.65
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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.