Finding the Fourth Proportional to 6,519,237.30, 9,778,418.55 and 1,726,823.70
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Solution
The fourth proportional to 6,519,237.30, 9,778,418.55 and 1,726,823.70 is: 2,590,119.69
Step by Step Solution
- Step 1: Write the proportion equation
6,519,237.30 : 9,778,418.55 = 1,726,823.70 : x - Step 2: Convert to fraction form
6,519,237.30/9,778,418.55 = 1,726,823.70/x - Step 3: Cross multiply
6,519,237.30x = 9,778,418.55 × 1,726,823.70 - Step 4: Simplify right side
6,519,237.30x = 16,885,604,900,659.64 - Step 5: Solve for x
x = 16,885,604,900,659.64/6,519,237.30 - Step 6: Final answer
x = 2,590,119.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.