Finding the Fourth Proportional to 3,119,302.70, 4,304,483.94 and 1,742,372.97
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Solution
The fourth proportional to 3,119,302.70, 4,304,483.94 and 1,742,372.97 is: 2,404,388.79
Step by Step Solution
- Step 1: Write the proportion equation
3,119,302.70 : 4,304,483.94 = 1,742,372.97 : x - Step 2: Convert to fraction form
3,119,302.70/4,304,483.94 = 1,742,372.97/x - Step 3: Cross multiply
3,119,302.70x = 4,304,483.94 × 1,742,372.97 - Step 4: Simplify right side
3,119,302.70x = 7,500,016,445,332.68 - Step 5: Solve for x
x = 7,500,016,445,332.68/3,119,302.70 - Step 6: Final answer
x = 2,404,388.79
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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.