Finding the Fourth Proportional to 1,768,631.64, 2,440,407.56 and 994,155.03
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Solution
The fourth proportional to 1,768,631.64, 2,440,407.56 and 994,155.03 is: 1,371,763.00
Step by Step Solution
- Step 1: Write the proportion equation
1,768,631.64 : 2,440,407.56 = 994,155.03 : x - Step 2: Convert to fraction form
1,768,631.64/2,440,407.56 = 994,155.03/x - Step 3: Cross multiply
1,768,631.64x = 2,440,407.56 × 994,155.03 - Step 4: Simplify right side
1,768,631.64x = 2,426,143,446,053.25 - Step 5: Solve for x
x = 2,426,143,446,053.25/1,768,631.64 - Step 6: Final answer
x = 1,371,763.00
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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.