Finding the Fourth Proportional to 1,777,439.34, 2,452,864.98 and 961,643.40
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Solution
The fourth proportional to 1,777,439.34, 2,452,864.98 and 961,643.40 is: 1,327,067.18
Step by Step Solution
- Step 1: Write the proportion equation
1,777,439.34 : 2,452,864.98 = 961,643.40 : x - Step 2: Convert to fraction form
1,777,439.34/2,452,864.98 = 961,643.40/x - Step 3: Cross multiply
1,777,439.34x = 2,452,864.98 × 961,643.40 - Step 4: Simplify right side
1,777,439.34x = 2,358,781,419,108.13 - Step 5: Solve for x
x = 2,358,781,419,108.13/1,777,439.34 - Step 6: Final answer
x = 1,327,067.18
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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.