Finding the Fourth Proportional to 1,861,746.48, 2,792,564.08 and 513,991.36
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Solution
The fourth proportional to 1,861,746.48, 2,792,564.08 and 513,991.36 is: 770,971.68
Step by Step Solution
- Step 1: Write the proportion equation
1,861,746.48 : 2,792,564.08 = 513,991.36 : x - Step 2: Convert to fraction form
1,861,746.48/2,792,564.08 = 513,991.36/x - Step 3: Cross multiply
1,861,746.48x = 2,792,564.08 × 513,991.36 - Step 4: Simplify right side
1,861,746.48x = 1,435,353,809,366.35 - Step 5: Solve for x
x = 1,435,353,809,366.35/1,861,746.48 - Step 6: Final answer
x = 770,971.68
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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.