Finding the Fourth Proportional to 2,299,292.60, 3,172,871.99 and 1,380,976.08
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Solution
The fourth proportional to 2,299,292.60, 3,172,871.99 and 1,380,976.08 is: 1,905,655.82
Step by Step Solution
- Step 1: Write the proportion equation
2,299,292.60 : 3,172,871.99 = 1,380,976.08 : x - Step 2: Convert to fraction form
2,299,292.60/3,172,871.99 = 1,380,976.08/x - Step 3: Cross multiply
2,299,292.60x = 3,172,871.99 × 1,380,976.08 - Step 4: Simplify right side
2,299,292.60x = 4,381,660,316,187.12 - Step 5: Solve for x
x = 4,381,660,316,187.12/2,299,292.60 - Step 6: Final answer
x = 1,905,655.82
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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.