Finding the Fourth Proportional to 1,405,466.44, 1,938,671.62 and 1,037,567.48
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Solution
The fourth proportional to 1,405,466.44, 1,938,671.62 and 1,037,567.48 is: 1,431,199.32
Step by Step Solution
- Step 1: Write the proportion equation
1,405,466.44 : 1,938,671.62 = 1,037,567.48 : x - Step 2: Convert to fraction form
1,405,466.44/1,938,671.62 = 1,037,567.48/x - Step 3: Cross multiply
1,405,466.44x = 1,938,671.62 × 1,037,567.48 - Step 4: Simplify right side
1,405,466.44x = 2,011,502,615,023.64 - Step 5: Solve for x
x = 2,011,502,615,023.64/1,405,466.44 - Step 6: Final answer
x = 1,431,199.32
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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.