Finding the Fourth Proportional to 1,788,021.57, 2,467,472.76 and 972,224.58
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Solution
The fourth proportional to 1,788,021.57, 2,467,472.76 and 972,224.58 is: 1,341,671.55
Step by Step Solution
- Step 1: Write the proportion equation
1,788,021.57 : 2,467,472.76 = 972,224.58 : x - Step 2: Convert to fraction form
1,788,021.57/2,467,472.76 = 972,224.58/x - Step 3: Cross multiply
1,788,021.57x = 2,467,472.76 × 972,224.58 - Step 4: Simplify right side
1,788,021.57x = 2,398,937,667,752.44 - Step 5: Solve for x
x = 2,398,937,667,752.44/1,788,021.57 - Step 6: Final answer
x = 1,341,671.55
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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.