Finding the Fourth Proportional to 1,630,820.68, 2,250,470.88 and 905,715.11
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Solution
The fourth proportional to 1,630,820.68, 2,250,470.88 and 905,715.11 is: 1,249,852.60
Step by Step Solution
- Step 1: Write the proportion equation
1,630,820.68 : 2,250,470.88 = 905,715.11 : x - Step 2: Convert to fraction form
1,630,820.68/2,250,470.88 = 905,715.11/x - Step 3: Cross multiply
1,630,820.68x = 2,250,470.88 × 905,715.11 - Step 4: Simplify right side
1,630,820.68x = 2,038,285,469,159.84 - Step 5: Solve for x
x = 2,038,285,469,159.84/1,630,820.68 - Step 6: Final answer
x = 1,249,852.60
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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.