Finding the Fourth Proportional to 1,402,621.77, 1,934,720.50 and 972,745.05
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Solution
The fourth proportional to 1,402,621.77, 1,934,720.50 and 972,745.05 is: 1,341,765.71
Step by Step Solution
- Step 1: Write the proportion equation
1,402,621.77 : 1,934,720.50 = 972,745.05 : x - Step 2: Convert to fraction form
1,402,621.77/1,934,720.50 = 972,745.05/x - Step 3: Cross multiply
1,402,621.77x = 1,934,720.50 × 972,745.05 - Step 4: Simplify right side
1,402,621.77x = 1,881,989,789,508.53 - Step 5: Solve for x
x = 1,881,989,789,508.53/1,402,621.77 - Step 6: Final answer
x = 1,341,765.71
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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.