Finding the Fourth Proportional to 1,977,817.06, 2,967,648.54 and 699,392.75
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Solution
The fourth proportional to 1,977,817.06, 2,967,648.54 and 699,392.75 is: 1,049,415.49
Step by Step Solution
- Step 1: Write the proportion equation
1,977,817.06 : 2,967,648.54 = 699,392.75 : x - Step 2: Convert to fraction form
1,977,817.06/2,967,648.54 = 699,392.75/x - Step 3: Cross multiply
1,977,817.06x = 2,967,648.54 × 699,392.75 - Step 4: Simplify right side
1,977,817.06x = 2,075,551,855,963.12 - Step 5: Solve for x
x = 2,075,551,855,963.12/1,977,817.06 - Step 6: Final answer
x = 1,049,415.49
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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.