Finding the Fourth Proportional to 2,136,135.12, 2,947,941.24 and 1,169,266.08
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Solution
The fourth proportional to 2,136,135.12, 2,947,941.24 and 1,169,266.08 is: 1,613,628.12
Step by Step Solution
- Step 1: Write the proportion equation
2,136,135.12 : 2,947,941.24 = 1,169,266.08 : x - Step 2: Convert to fraction form
2,136,135.12/2,947,941.24 = 1,169,266.08/x - Step 3: Cross multiply
2,136,135.12x = 2,947,941.24 × 1,169,266.08 - Step 4: Simplify right side
2,136,135.12x = 3,446,927,697,765.14 - Step 5: Solve for x
x = 3,446,927,697,765.14/2,136,135.12 - Step 6: Final answer
x = 1,613,628.12
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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.