Finding the Fourth Proportional to 1,664,454.62, 2,296,937.76 and 900,491.78
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Solution
The fourth proportional to 1,664,454.62, 2,296,937.76 and 900,491.78 is: 1,242,673.45
Step by Step Solution
- Step 1: Write the proportion equation
1,664,454.62 : 2,296,937.76 = 900,491.78 : x - Step 2: Convert to fraction form
1,664,454.62/2,296,937.76 = 900,491.78/x - Step 3: Cross multiply
1,664,454.62x = 2,296,937.76 × 900,491.78 - Step 4: Simplify right side
1,664,454.62x = 2,068,373,574,417.11 - Step 5: Solve for x
x = 2,068,373,574,417.11/1,664,454.62 - Step 6: Final answer
x = 1,242,673.45
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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.