Finding the Fourth Proportional to 2,223,415.68, 3,318,852 and 1,909,887.36
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Solution
The fourth proportional to 2,223,415.68, 3,318,852 and 1,909,887.36 is: 2,850,854.00
Step by Step Solution
- Step 1: Write the proportion equation
2,223,415.68 : 3,318,852 = 1,909,887.36 : x - Step 2: Convert to fraction form
2,223,415.68/3,318,852 = 1,909,887.36/x - Step 3: Cross multiply
2,223,415.68x = 3,318,852 × 1,909,887.36 - Step 4: Simplify right side
2,223,415.68x = 6,338,633,484,510.72 - Step 5: Solve for x
x = 6,338,633,484,510.72/2,223,415.68 - Step 6: Final answer
x = 2,850,854.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.