Finding the Fourth Proportional to 2,106,784.62, 3,160,203.75 and 740,503.17
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Solution
The fourth proportional to 2,106,784.62, 3,160,203.75 and 740,503.17 is: 1,110,764.18
Step by Step Solution
- Step 1: Write the proportion equation
2,106,784.62 : 3,160,203.75 = 740,503.17 : x - Step 2: Convert to fraction form
2,106,784.62/3,160,203.75 = 740,503.17/x - Step 3: Cross multiply
2,106,784.62x = 3,160,203.75 × 740,503.17 - Step 4: Simplify right side
2,106,784.62x = 2,340,140,894,720.89 - Step 5: Solve for x
x = 2,340,140,894,720.89/2,106,784.62 - Step 6: Final answer
x = 1,110,764.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.