Finding the Fourth Proportional to 7,103,043.96, 9,803,160.06 and 4,006,202.60
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Solution
The fourth proportional to 7,103,043.96, 9,803,160.06 and 4,006,202.60 is: 5,529,100.70
Step by Step Solution
- Step 1: Write the proportion equation
7,103,043.96 : 9,803,160.06 = 4,006,202.60 : x - Step 2: Convert to fraction form
7,103,043.96/9,803,160.06 = 4,006,202.60/x - Step 3: Cross multiply
7,103,043.96x = 9,803,160.06 × 4,006,202.60 - Step 4: Simplify right side
7,103,043.96x = 39,273,445,320,588.16 - Step 5: Solve for x
x = 39,273,445,320,588.16/7,103,043.96 - Step 6: Final answer
x = 5,529,100.70
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1.5x scale
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.