Finding the Fourth Proportional to 1,409,703.07, 1,937,911.29 and 1,212,750.82
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Solution
The fourth proportional to 1,409,703.07, 1,937,911.29 and 1,212,750.82 is: 1,667,162.08
Step by Step Solution
- Step 1: Write the proportion equation
1,409,703.07 : 1,937,911.29 = 1,212,750.82 : x - Step 2: Convert to fraction form
1,409,703.07/1,937,911.29 = 1,212,750.82/x - Step 3: Cross multiply
1,409,703.07x = 1,937,911.29 × 1,212,750.82 - Step 4: Simplify right side
1,409,703.07x = 2,350,203,502,036.73 - Step 5: Solve for x
x = 2,350,203,502,036.73/1,409,703.07 - Step 6: Final answer
x = 1,667,162.08
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.