Finding the Fourth Proportional to 3,742,830.40, 5,616,189.60 and 1,748,286.40
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Solution
The fourth proportional to 3,742,830.40, 5,616,189.60 and 1,748,286.40 is: 2,623,337.65
Step by Step Solution
- Step 1: Write the proportion equation
3,742,830.40 : 5,616,189.60 = 1,748,286.40 : x - Step 2: Convert to fraction form
3,742,830.40/5,616,189.60 = 1,748,286.40/x - Step 3: Cross multiply
3,742,830.40x = 5,616,189.60 × 1,748,286.40 - Step 4: Simplify right side
3,742,830.40x = 9,818,707,897,501.44 - Step 5: Solve for x
x = 9,818,707,897,501.44/3,742,830.40 - Step 6: Final answer
x = 2,623,337.65
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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.