Finding the Fourth Proportional to 2,016,663.75, 2,783,130.84 and 1,111,245.75
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Solution
The fourth proportional to 2,016,663.75, 2,783,130.84 and 1,111,245.75 is: 1,533,593.45
Step by Step Solution
- Step 1: Write the proportion equation
2,016,663.75 : 2,783,130.84 = 1,111,245.75 : x - Step 2: Convert to fraction form
2,016,663.75/2,783,130.84 = 1,111,245.75/x - Step 3: Cross multiply
2,016,663.75x = 2,783,130.84 × 1,111,245.75 - Step 4: Simplify right side
2,016,663.75x = 3,092,742,317,643.93 - Step 5: Solve for x
x = 3,092,742,317,643.93/2,016,663.75 - Step 6: Final answer
x = 1,533,593.45
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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.