Finding the Fourth Proportional to 1,851,671.58, 2,555,186.78 and 1,035,735.36
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Solution
The fourth proportional to 1,851,671.58, 2,555,186.78 and 1,035,735.36 is: 1,429,247.67
Step by Step Solution
- Step 1: Write the proportion equation
1,851,671.58 : 2,555,186.78 = 1,035,735.36 : x - Step 2: Convert to fraction form
1,851,671.58/2,555,186.78 = 1,035,735.36/x - Step 3: Cross multiply
1,851,671.58x = 2,555,186.78 × 1,035,735.36 - Step 4: Simplify right side
1,851,671.58x = 2,646,497,292,457.93 - Step 5: Solve for x
x = 2,646,497,292,457.93/1,851,671.58 - Step 6: Final answer
x = 1,429,247.67
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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.