Finding the Fourth Proportional to 1,995,707.12, 2,995,453.25 and 1,235,248.27
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Solution
The fourth proportional to 1,995,707.12, 2,995,453.25 and 1,235,248.27 is: 1,854,043.82
Step by Step Solution
- Step 1: Write the proportion equation
1,995,707.12 : 2,995,453.25 = 1,235,248.27 : x - Step 2: Convert to fraction form
1,995,707.12/2,995,453.25 = 1,235,248.27/x - Step 3: Cross multiply
1,995,707.12x = 2,995,453.25 × 1,235,248.27 - Step 4: Simplify right side
1,995,707.12x = 3,700,128,435,895.68 - Step 5: Solve for x
x = 3,700,128,435,895.68/1,995,707.12 - Step 6: Final answer
x = 1,854,043.82
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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.