Finding the Fourth Proportional to 2,825,815.20, 3,899,507.24 and 1,602,203.42
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Solution
The fourth proportional to 2,825,815.20, 3,899,507.24 and 1,602,203.42 is: 2,210,973.96
Step by Step Solution
- Step 1: Write the proportion equation
2,825,815.20 : 3,899,507.24 = 1,602,203.42 : x - Step 2: Convert to fraction form
2,825,815.20/3,899,507.24 = 1,602,203.42/x - Step 3: Cross multiply
2,825,815.20x = 3,899,507.24 × 1,602,203.42 - Step 4: Simplify right side
2,825,815.20x = 6,247,803,828,231.74 - Step 5: Solve for x
x = 6,247,803,828,231.74/2,825,815.20 - Step 6: Final answer
x = 2,210,973.96
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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.