Finding the Fourth Proportional to 2,979,416.35, 4,469,102.99 and 1,973,043.02
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Solution
The fourth proportional to 2,979,416.35, 4,469,102.99 and 1,973,043.02 is: 2,959,550.26
Step by Step Solution
- Step 1: Write the proportion equation
2,979,416.35 : 4,469,102.99 = 1,973,043.02 : x - Step 2: Convert to fraction form
2,979,416.35/4,469,102.99 = 1,973,043.02/x - Step 3: Cross multiply
2,979,416.35x = 4,469,102.99 × 1,973,043.02 - Step 4: Simplify right side
2,979,416.35x = 8,817,732,427,869.90 - Step 5: Solve for x
x = 8,817,732,427,869.90/2,979,416.35 - Step 6: Final answer
x = 2,959,550.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.