Finding the Fourth Proportional to 4,159,430.40, 6,241,478.40 and 1,762,867.20
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Solution
The fourth proportional to 4,159,430.40, 6,241,478.40 and 1,762,867.20 is: 2,645,289.50
Step by Step Solution
- Step 1: Write the proportion equation
4,159,430.40 : 6,241,478.40 = 1,762,867.20 : x - Step 2: Convert to fraction form
4,159,430.40/6,241,478.40 = 1,762,867.20/x - Step 3: Cross multiply
4,159,430.40x = 6,241,478.40 × 1,762,867.20 - Step 4: Simplify right side
4,159,430.40x = 11,002,897,550,868.48 - Step 5: Solve for x
x = 11,002,897,550,868.48/4,159,430.40 - Step 6: Final answer
x = 2,645,289.50
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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.