Finding the Fourth Proportional to 2,854,872.96, 3,939,449.04 and 1,708,928.64
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Solution
The fourth proportional to 2,854,872.96, 3,939,449.04 and 1,708,928.64 is: 2,358,156.52
Step by Step Solution
- Step 1: Write the proportion equation
2,854,872.96 : 3,939,449.04 = 1,708,928.64 : x - Step 2: Convert to fraction form
2,854,872.96/3,939,449.04 = 1,708,928.64/x - Step 3: Cross multiply
2,854,872.96x = 3,939,449.04 × 1,708,928.64 - Step 4: Simplify right side
2,854,872.96x = 6,732,237,290,276.51 - Step 5: Solve for x
x = 6,732,237,290,276.51/2,854,872.96 - Step 6: Final answer
x = 2,358,156.52
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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.