Finding the Fourth Proportional to 1,983,149.13, 2,735,973.14 and 1,468,135.75
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Solution
The fourth proportional to 1,983,149.13, 2,735,973.14 and 1,468,135.75 is: 2,025,455.32
Step by Step Solution
- Step 1: Write the proportion equation
1,983,149.13 : 2,735,973.14 = 1,468,135.75 : x - Step 2: Convert to fraction form
1,983,149.13/2,735,973.14 = 1,468,135.75/x - Step 3: Cross multiply
1,983,149.13x = 2,735,973.14 × 1,468,135.75 - Step 4: Simplify right side
1,983,149.13x = 4,016,779,968,518.43 - Step 5: Solve for x
x = 4,016,779,968,518.43/1,983,149.13 - Step 6: Final answer
x = 2,025,455.32
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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.