Finding the Fourth Proportional to 1,621,894.62, 2,238,124.17 and 896,700
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Solution
The fourth proportional to 1,621,894.62, 2,238,124.17 and 896,700 is: 1,237,396.02
Step by Step Solution
- Step 1: Write the proportion equation
1,621,894.62 : 2,238,124.17 = 896,700 : x - Step 2: Convert to fraction form
1,621,894.62/2,238,124.17 = 896,700/x - Step 3: Cross multiply
1,621,894.62x = 2,238,124.17 × 896,700 - Step 4: Simplify right side
1,621,894.62x = 2,006,925,943,239 - Step 5: Solve for x
x = 2,006,925,943,239/1,621,894.62 - Step 6: Final answer
x = 1,237,396.02
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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.