Finding the Fourth Proportional to 1,530,217.18, 2,111,671.11 and 1,046,765.98
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Solution
The fourth proportional to 1,530,217.18, 2,111,671.11 and 1,046,765.98 is: 1,444,517.49
Step by Step Solution
- Step 1: Write the proportion equation
1,530,217.18 : 2,111,671.11 = 1,046,765.98 : x - Step 2: Convert to fraction form
1,530,217.18/2,111,671.11 = 1,046,765.98/x - Step 3: Cross multiply
1,530,217.18x = 2,111,671.11 × 1,046,765.98 - Step 4: Simplify right side
1,530,217.18x = 2,210,425,478,896.84 - Step 5: Solve for x
x = 2,210,425,478,896.84/1,530,217.18 - Step 6: Final answer
x = 1,444,517.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.