Finding the Fourth Proportional to 1,779,129.14, 2,455,100.96 and 1,043,984.43
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Solution
The fourth proportional to 1,779,129.14, 2,455,100.96 and 1,043,984.43 is: 1,440,641.45
Step by Step Solution
- Step 1: Write the proportion equation
1,779,129.14 : 2,455,100.96 = 1,043,984.43 : x - Step 2: Convert to fraction form
1,779,129.14/2,455,100.96 = 1,043,984.43/x - Step 3: Cross multiply
1,779,129.14x = 2,455,100.96 × 1,043,984.43 - Step 4: Simplify right side
1,779,129.14x = 2,563,087,171,098.13 - Step 5: Solve for x
x = 2,563,087,171,098.13/1,779,129.14 - Step 6: Final answer
x = 1,440,641.45
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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.