Finding the Fourth Proportional to 1,421,067.98, 2,133,119.46 and 611,852.84
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Solution
The fourth proportional to 1,421,067.98, 2,133,119.46 and 611,852.84 is: 918,432.63
Step by Step Solution
- Step 1: Write the proportion equation
1,421,067.98 : 2,133,119.46 = 611,852.84 : x - Step 2: Convert to fraction form
1,421,067.98/2,133,119.46 = 611,852.84/x - Step 3: Cross multiply
1,421,067.98x = 2,133,119.46 × 611,852.84 - Step 4: Simplify right side
1,421,067.98x = 1,305,155,199,660.27 - Step 5: Solve for x
x = 1,305,155,199,660.27/1,421,067.98 - Step 6: Final answer
x = 918,432.63
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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.