Finding the Fourth Proportional to 5,298,214.80, 7,947,905.40 and 1,933,150.80
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Solution
The fourth proportional to 5,298,214.80, 7,947,905.40 and 1,933,150.80 is: 2,899,938.99
Step by Step Solution
- Step 1: Write the proportion equation
5,298,214.80 : 7,947,905.40 = 1,933,150.80 : x - Step 2: Convert to fraction form
5,298,214.80/7,947,905.40 = 1,933,150.80/x - Step 3: Cross multiply
5,298,214.80x = 7,947,905.40 × 1,933,150.80 - Step 4: Simplify right side
5,298,214.80x = 15,364,499,682,334.32 - Step 5: Solve for x
x = 15,364,499,682,334.32/5,298,214.80 - Step 6: Final answer
x = 2,899,938.99
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1.5x scale
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.