Finding the Fourth Proportional to 2,865,759.05, 3,955,312.41 and 1,642,885.58
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Solution
The fourth proportional to 2,865,759.05, 3,955,312.41 and 1,642,885.58 is: 2,267,505.96
Step by Step Solution
- Step 1: Write the proportion equation
2,865,759.05 : 3,955,312.41 = 1,642,885.58 : x - Step 2: Convert to fraction form
2,865,759.05/3,955,312.41 = 1,642,885.58/x - Step 3: Cross multiply
2,865,759.05x = 3,955,312.41 × 1,642,885.58 - Step 4: Simplify right side
2,865,759.05x = 6,498,125,722,784.05 - Step 5: Solve for x
x = 6,498,125,722,784.05/2,865,759.05 - Step 6: Final answer
x = 2,267,505.96
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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.