Finding the Fourth Proportional to 2,885,765.86, 3,982,474.12 and 1,596,585.26
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Solution
The fourth proportional to 2,885,765.86, 3,982,474.12 and 1,596,585.26 is: 2,203,352.52
Step by Step Solution
- Step 1: Write the proportion equation
2,885,765.86 : 3,982,474.12 = 1,596,585.26 : x - Step 2: Convert to fraction form
2,885,765.86/3,982,474.12 = 1,596,585.26/x - Step 3: Cross multiply
2,885,765.86x = 3,982,474.12 × 1,596,585.26 - Step 4: Simplify right side
2,885,765.86x = 6,358,359,478,323.47 - Step 5: Solve for x
x = 6,358,359,478,323.47/2,885,765.86 - Step 6: Final answer
x = 2,203,352.52
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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.