Finding the Fourth Proportional to 1,642,765.68, 2,269,235.52 and 1,237,927.68
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Solution
The fourth proportional to 1,642,765.68, 2,269,235.52 and 1,237,927.68 is: 1,710,012.27
Step by Step Solution
- Step 1: Write the proportion equation
1,642,765.68 : 2,269,235.52 = 1,237,927.68 : x - Step 2: Convert to fraction form
1,642,765.68/2,269,235.52 = 1,237,927.68/x - Step 3: Cross multiply
1,642,765.68x = 2,269,235.52 × 1,237,927.68 - Step 4: Simplify right side
1,642,765.68x = 2,809,149,462,647.19 - Step 5: Solve for x
x = 2,809,149,462,647.19/1,642,765.68 - Step 6: Final answer
x = 1,710,012.27
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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.