Finding the Fourth Proportional to 1,640,605.74, 2,263,697.91 and 942,751.76
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Solution
The fourth proportional to 1,640,605.74, 2,263,697.91 and 942,751.76 is: 1,300,803.19
Step by Step Solution
- Step 1: Write the proportion equation
1,640,605.74 : 2,263,697.91 = 942,751.76 : x - Step 2: Convert to fraction form
1,640,605.74/2,263,697.91 = 942,751.76/x - Step 3: Cross multiply
1,640,605.74x = 2,263,697.91 × 942,751.76 - Step 4: Simplify right side
1,640,605.74x = 2,134,105,177,442.33 - Step 5: Solve for x
x = 2,134,105,177,442.33/1,640,605.74 - Step 6: Final answer
x = 1,300,803.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.