Finding the Fourth Proportional to 1,542,206.15, 2,128,310.99 and 853,877.99
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Solution
The fourth proportional to 1,542,206.15, 2,128,310.99 and 853,877.99 is: 1,178,388.44
Step by Step Solution
- Step 1: Write the proportion equation
1,542,206.15 : 2,128,310.99 = 853,877.99 : x - Step 2: Convert to fraction form
1,542,206.15/2,128,310.99 = 853,877.99/x - Step 3: Cross multiply
1,542,206.15x = 2,128,310.99 × 853,877.99 - Step 4: Simplify right side
1,542,206.15x = 1,817,317,895,325.17 - Step 5: Solve for x
x = 1,817,317,895,325.17/1,542,206.15 - Step 6: Final answer
x = 1,178,388.44
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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.