Finding the Fourth Proportional to 1,721,822.80, 2,581,812.60 and 723,422.80
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Solution
The fourth proportional to 1,721,822.80, 2,581,812.60 and 723,422.80 is: 1,084,746.99
Step by Step Solution
- Step 1: Write the proportion equation
1,721,822.80 : 2,581,812.60 = 723,422.80 : x - Step 2: Convert to fraction form
1,721,822.80/2,581,812.60 = 723,422.80/x - Step 3: Cross multiply
1,721,822.80x = 2,581,812.60 × 723,422.80 - Step 4: Simplify right side
1,721,822.80x = 1,867,742,100,167.28 - Step 5: Solve for x
x = 1,867,742,100,167.28/1,721,822.80 - Step 6: Final answer
x = 1,084,746.99
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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.