Finding the Fourth Proportional to 2,012,201.70, 3,018,448.35 and 1,211,759.70
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Solution
The fourth proportional to 2,012,201.70, 3,018,448.35 and 1,211,759.70 is: 1,817,727.35
Step by Step Solution
- Step 1: Write the proportion equation
2,012,201.70 : 3,018,448.35 = 1,211,759.70 : x - Step 2: Convert to fraction form
2,012,201.70/3,018,448.35 = 1,211,759.70/x - Step 3: Cross multiply
2,012,201.70x = 3,018,448.35 × 1,211,759.70 - Step 4: Simplify right side
2,012,201.70x = 3,657,634,067,061.50 - Step 5: Solve for x
x = 3,657,634,067,061.50/2,012,201.70 - Step 6: Final answer
x = 1,817,727.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.