Finding the Fourth Proportional to 2,643,125.32, 3,649,267.86 and 2,030,182.12
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Solution
The fourth proportional to 2,643,125.32, 3,649,267.86 and 2,030,182.12 is: 2,802,999.28
Step by Step Solution
- Step 1: Write the proportion equation
2,643,125.32 : 3,649,267.86 = 2,030,182.12 : x - Step 2: Convert to fraction form
2,643,125.32/3,649,267.86 = 2,030,182.12/x - Step 3: Cross multiply
2,643,125.32x = 3,649,267.86 × 2,030,182.12 - Step 4: Simplify right side
2,643,125.32x = 7,408,678,360,462.66 - Step 5: Solve for x
x = 7,408,678,360,462.66/2,643,125.32 - Step 6: Final answer
x = 2,802,999.28
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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.