Finding the Fourth Proportional to 1,604,684.94, 2,214,518.77 and 879,534.52
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Solution
The fourth proportional to 1,604,684.94, 2,214,518.77 and 879,534.52 is: 1,213,786.99
Step by Step Solution
- Step 1: Write the proportion equation
1,604,684.94 : 2,214,518.77 = 879,534.52 : x - Step 2: Convert to fraction form
1,604,684.94/2,214,518.77 = 879,534.52/x - Step 3: Cross multiply
1,604,684.94x = 2,214,518.77 × 879,534.52 - Step 4: Simplify right side
1,604,684.94x = 1,947,745,698,966.06 - Step 5: Solve for x
x = 1,947,745,698,966.06/1,604,684.94 - Step 6: Final answer
x = 1,213,786.99
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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.