Finding the Fourth Proportional to 2,216,711.12, 3,326,312.35 and 1,205,903.81
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Solution
The fourth proportional to 2,216,711.12, 3,326,312.35 and 1,205,903.81 is: 1,809,533.37
Step by Step Solution
- Step 1: Write the proportion equation
2,216,711.12 : 3,326,312.35 = 1,205,903.81 : x - Step 2: Convert to fraction form
2,216,711.12/3,326,312.35 = 1,205,903.81/x - Step 3: Cross multiply
2,216,711.12x = 3,326,312.35 × 1,205,903.81 - Step 4: Simplify right side
2,216,711.12x = 4,011,212,741,416.08 - Step 5: Solve for x
x = 4,011,212,741,416.08/2,216,711.12 - Step 6: Final answer
x = 1,809,533.37
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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.