Finding the Fourth Proportional to 1,438,056.84, 1,984,559.67 and 793,518.56
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Solution
The fourth proportional to 1,438,056.84, 1,984,559.67 and 793,518.56 is: 1,095,078.35
Step by Step Solution
- Step 1: Write the proportion equation
1,438,056.84 : 1,984,559.67 = 793,518.56 : x - Step 2: Convert to fraction form
1,438,056.84/1,984,559.67 = 793,518.56/x - Step 3: Cross multiply
1,438,056.84x = 1,984,559.67 × 793,518.56 - Step 4: Simplify right side
1,438,056.84x = 1,574,784,917,682.08 - Step 5: Solve for x
x = 1,574,784,917,682.08/1,438,056.84 - Step 6: Final answer
x = 1,095,078.35
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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.