Finding the Fourth Proportional to 1,719,117.85, 2,372,396.79 and 1,074,911.53
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Solution
The fourth proportional to 1,719,117.85, 2,372,396.79 and 1,074,911.53 is: 1,483,386.76
Step by Step Solution
- Step 1: Write the proportion equation
1,719,117.85 : 2,372,396.79 = 1,074,911.53 : x - Step 2: Convert to fraction form
1,719,117.85/2,372,396.79 = 1,074,911.53/x - Step 3: Cross multiply
1,719,117.85x = 2,372,396.79 × 1,074,911.53 - Step 4: Simplify right side
1,719,117.85x = 2,550,116,663,305.99 - Step 5: Solve for x
x = 2,550,116,663,305.99/1,719,117.85 - Step 6: Final answer
x = 1,483,386.76
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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.