Finding the Fourth Proportional to 1,621,893.50, 2,238,122.63 and 896,698.88
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Solution
The fourth proportional to 1,621,893.50, 2,238,122.63 and 896,698.88 is: 1,237,394.47
Step by Step Solution
- Step 1: Write the proportion equation
1,621,893.50 : 2,238,122.63 = 896,698.88 : x - Step 2: Convert to fraction form
1,621,893.50/2,238,122.63 = 896,698.88/x - Step 3: Cross multiply
1,621,893.50x = 2,238,122.63 × 896,698.88 - Step 4: Simplify right side
1,621,893.50x = 2,006,922,046,674.79 - Step 5: Solve for x
x = 2,006,922,046,674.79/1,621,893.50 - Step 6: Final answer
x = 1,237,394.47
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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.