Finding the Fourth Proportional to 3,225,405.99, 4,450,970.75 and 1,830,221.70
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Solution
The fourth proportional to 3,225,405.99, 4,450,970.75 and 1,830,221.70 is: 2,525,655.15
Step by Step Solution
- Step 1: Write the proportion equation
3,225,405.99 : 4,450,970.75 = 1,830,221.70 : x - Step 2: Convert to fraction form
3,225,405.99/4,450,970.75 = 1,830,221.70/x - Step 3: Cross multiply
3,225,405.99x = 4,450,970.75 × 1,830,221.70 - Step 4: Simplify right side
3,225,405.99x = 8,146,263,243,564.17 - Step 5: Solve for x
x = 8,146,263,243,564.17/3,225,405.99 - Step 6: Final answer
x = 2,525,655.15
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1.5x scale
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.