Finding the Fourth Proportional to 1,542,216.95, 2,128,325.89 and 853,888.78
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Solution
The fourth proportional to 1,542,216.95, 2,128,325.89 and 853,888.78 is: 1,178,403.33
Step by Step Solution
- Step 1: Write the proportion equation
1,542,216.95 : 2,128,325.89 = 853,888.78 : x - Step 2: Convert to fraction form
1,542,216.95/2,128,325.89 = 853,888.78/x - Step 3: Cross multiply
1,542,216.95x = 2,128,325.89 × 853,888.78 - Step 4: Simplify right side
1,542,216.95x = 1,817,353,582,743.44 - Step 5: Solve for x
x = 1,817,353,582,743.44/1,542,216.95 - Step 6: Final answer
x = 1,178,403.33
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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.