Finding the Fourth Proportional to 1,914,124.26, 2,641,677.65 and 1,429,848.70
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Solution
The fourth proportional to 1,914,124.26, 2,641,677.65 and 1,429,848.70 is: 1,973,330.28
Step by Step Solution
- Step 1: Write the proportion equation
1,914,124.26 : 2,641,677.65 = 1,429,848.70 : x - Step 2: Convert to fraction form
1,914,124.26/2,641,677.65 = 1,429,848.70/x - Step 3: Cross multiply
1,914,124.26x = 2,641,677.65 × 1,429,848.70 - Step 4: Simplify right side
1,914,124.26x = 3,777,199,353,671.56 - Step 5: Solve for x
x = 3,777,199,353,671.56/1,914,124.26 - Step 6: Final answer
x = 1,973,330.28
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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.