Finding the Fourth Proportional to 1,539,313.94, 2,124,069.28 and 850,893.12
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Solution
The fourth proportional to 1,539,313.94, 2,124,069.28 and 850,893.12 is: 1,174,130.82
Step by Step Solution
- Step 1: Write the proportion equation
1,539,313.94 : 2,124,069.28 = 850,893.12 : x - Step 2: Convert to fraction form
1,539,313.94/2,124,069.28 = 850,893.12/x - Step 3: Cross multiply
1,539,313.94x = 2,124,069.28 × 850,893.12 - Step 4: Simplify right side
1,539,313.94x = 1,807,355,934,628.12 - Step 5: Solve for x
x = 1,807,355,934,628.12/1,539,313.94 - Step 6: Final answer
x = 1,174,130.82
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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.