Finding the Fourth Proportional to 1,757,461.60, 2,636,624.40 and 495,272.80
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Solution
The fourth proportional to 1,757,461.60, 2,636,624.40 and 495,272.80 is: 743,030.94
Step by Step Solution
- Step 1: Write the proportion equation
1,757,461.60 : 2,636,624.40 = 495,272.80 : x - Step 2: Convert to fraction form
1,757,461.60/2,636,624.40 = 495,272.80/x - Step 3: Cross multiply
1,757,461.60x = 2,636,624.40 × 495,272.80 - Step 4: Simplify right side
1,757,461.60x = 1,305,848,349,136.32 - Step 5: Solve for x
x = 1,305,848,349,136.32/1,757,461.60 - Step 6: Final answer
x = 743,030.94
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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.