Finding the Fourth Proportional to 2,658,898.75, 3,988,489.56 and 837,406.14
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Solution
The fourth proportional to 2,658,898.75, 3,988,489.56 and 837,406.14 is: 1,256,153.76
Step by Step Solution
- Step 1: Write the proportion equation
2,658,898.75 : 3,988,489.56 = 837,406.14 : x - Step 2: Convert to fraction form
2,658,898.75/3,988,489.56 = 837,406.14/x - Step 3: Cross multiply
2,658,898.75x = 3,988,489.56 × 837,406.14 - Step 4: Simplify right side
2,658,898.75x = 3,339,985,646,869.90 - Step 5: Solve for x
x = 3,339,985,646,869.90/2,658,898.75 - Step 6: Final answer
x = 1,256,153.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.