Finding the Fourth Proportional to 1,690,075.98, 2,533,408.11 and 1,059,432.66
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Solution
The fourth proportional to 1,690,075.98, 2,533,408.11 and 1,059,432.66 is: 1,588,079.66
Step by Step Solution
- Step 1: Write the proportion equation
1,690,075.98 : 2,533,408.11 = 1,059,432.66 : x - Step 2: Convert to fraction form
1,690,075.98/2,533,408.11 = 1,059,432.66/x - Step 3: Cross multiply
1,690,075.98x = 2,533,408.11 × 1,059,432.66 - Step 4: Simplify right side
1,690,075.98x = 2,683,975,292,842.87 - Step 5: Solve for x
x = 2,683,975,292,842.87/1,690,075.98 - Step 6: Final answer
x = 1,588,079.66
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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.