Finding the Fourth Proportional to 3,462,443.53, 4,778,419.37 and 1,913,671.99
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Solution
The fourth proportional to 3,462,443.53, 4,778,419.37 and 1,913,671.99 is: 2,641,004.03
Step by Step Solution
- Step 1: Write the proportion equation
3,462,443.53 : 4,778,419.37 = 1,913,671.99 : x - Step 2: Convert to fraction form
3,462,443.53/4,778,419.37 = 1,913,671.99/x - Step 3: Cross multiply
3,462,443.53x = 4,778,419.37 × 1,913,671.99 - Step 4: Simplify right side
3,462,443.53x = 9,144,327,301,247.11 - Step 5: Solve for x
x = 9,144,327,301,247.11/3,462,443.53 - Step 6: Final answer
x = 2,641,004.03
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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.