Finding the Fourth Proportional to 2,742,289.22, 3,784,355.70 and 1,518,593.26
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Solution
The fourth proportional to 2,742,289.22, 3,784,355.70 and 1,518,593.26 is: 2,095,656.80
Step by Step Solution
- Step 1: Write the proportion equation
2,742,289.22 : 3,784,355.70 = 1,518,593.26 : x - Step 2: Convert to fraction form
2,742,289.22/3,784,355.70 = 1,518,593.26/x - Step 3: Cross multiply
2,742,289.22x = 3,784,355.70 × 1,518,593.26 - Step 4: Simplify right side
2,742,289.22x = 5,746,897,059,462.58 - Step 5: Solve for x
x = 5,746,897,059,462.58/2,742,289.22 - Step 6: Final answer
x = 2,095,656.80
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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.