Finding the Fourth Proportional to 4,125,385.93, 5,692,944.37 and 2,289,737.20
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Solution
The fourth proportional to 4,125,385.93, 5,692,944.37 and 2,289,737.20 is: 3,159,788.37
Step by Step Solution
- Step 1: Write the proportion equation
4,125,385.93 : 5,692,944.37 = 2,289,737.20 : x - Step 2: Convert to fraction form
4,125,385.93/5,692,944.37 = 2,289,737.20/x - Step 3: Cross multiply
4,125,385.93x = 5,692,944.37 × 2,289,737.20 - Step 4: Simplify right side
4,125,385.93x = 13,035,346,461,606.16 - Step 5: Solve for x
x = 13,035,346,461,606.16/4,125,385.93 - Step 6: Final answer
x = 3,159,788.37
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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.