Finding the Fourth Proportional to 2,163,833.99, 2,985,830.76 and 1,246,361.52
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Solution
The fourth proportional to 2,163,833.99, 2,985,830.76 and 1,246,361.52 is: 1,719,829.05
Step by Step Solution
- Step 1: Write the proportion equation
2,163,833.99 : 2,985,830.76 = 1,246,361.52 : x - Step 2: Convert to fraction form
2,163,833.99/2,985,830.76 = 1,246,361.52/x - Step 3: Cross multiply
2,163,833.99x = 2,985,830.76 × 1,246,361.52 - Step 4: Simplify right side
2,163,833.99x = 3,721,424,558,264.55 - Step 5: Solve for x
x = 3,721,424,558,264.55/2,163,833.99 - Step 6: Final answer
x = 1,719,829.05
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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.