Finding the Fourth Proportional to 3,896,809.40, 5,844,177.30 and 1,201,129.40
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Solution
The fourth proportional to 3,896,809.40, 5,844,177.30 and 1,201,129.40 is: 1,801,374.52
Step by Step Solution
- Step 1: Write the proportion equation
3,896,809.40 : 5,844,177.30 = 1,201,129.40 : x - Step 2: Convert to fraction form
3,896,809.40/5,844,177.30 = 1,201,129.40/x - Step 3: Cross multiply
3,896,809.40x = 5,844,177.30 × 1,201,129.40 - Step 4: Simplify right side
3,896,809.40x = 7,019,613,173,842.62 - Step 5: Solve for x
x = 7,019,613,173,842.62/3,896,809.40 - Step 6: Final answer
x = 1,801,374.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.