Finding the Fourth Proportional to 1,909,080.14, 2,634,580.49 and 1,037,973.44
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Solution
The fourth proportional to 1,909,080.14, 2,634,580.49 and 1,037,973.44 is: 1,432,430.47
Step by Step Solution
- Step 1: Write the proportion equation
1,909,080.14 : 2,634,580.49 = 1,037,973.44 : x - Step 2: Convert to fraction form
1,909,080.14/2,634,580.49 = 1,037,973.44/x - Step 3: Cross multiply
1,909,080.14x = 2,634,580.49 × 1,037,973.44 - Step 4: Simplify right side
1,909,080.14x = 2,734,624,560,739.25 - Step 5: Solve for x
x = 2,734,624,560,739.25/1,909,080.14 - Step 6: Final answer
x = 1,432,430.47
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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.