Finding the Fourth Proportional to 1,723,165.20, 2,378,618.70 and 1,354,681.08
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Solution
The fourth proportional to 1,723,165.20, 2,378,618.70 and 1,354,681.08 is: 1,869,971.46
Step by Step Solution
- Step 1: Write the proportion equation
1,723,165.20 : 2,378,618.70 = 1,354,681.08 : x - Step 2: Convert to fraction form
1,723,165.20/2,378,618.70 = 1,354,681.08/x - Step 3: Cross multiply
1,723,165.20x = 2,378,618.70 × 1,354,681.08 - Step 4: Simplify right side
1,723,165.20x = 3,222,269,749,424.20 - Step 5: Solve for x
x = 3,222,269,749,424.20/1,723,165.20 - Step 6: Final answer
x = 1,869,971.46
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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.