Finding the Fourth Proportional to 2,880,823.10, 3,970,918.40 and 1,950,237.36
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Solution
The fourth proportional to 2,880,823.10, 3,970,918.40 and 1,950,237.36 is: 2,688,201.65
Step by Step Solution
- Step 1: Write the proportion equation
2,880,823.10 : 3,970,918.40 = 1,950,237.36 : x - Step 2: Convert to fraction form
2,880,823.10/3,970,918.40 = 1,950,237.36/x - Step 3: Cross multiply
2,880,823.10x = 3,970,918.40 × 1,950,237.36 - Step 4: Simplify right side
2,880,823.10x = 7,744,233,407,440.24 - Step 5: Solve for x
x = 7,744,233,407,440.24/2,880,823.10 - Step 6: Final answer
x = 2,688,201.65
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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.