Finding the Fourth Proportional to 1,604,430.37, 2,214,138.41 and 879,272.20
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Solution
The fourth proportional to 1,604,430.37, 2,214,138.41 and 879,272.20 is: 1,213,409.06
Step by Step Solution
- Step 1: Write the proportion equation
1,604,430.37 : 2,214,138.41 = 879,272.20 : x - Step 2: Convert to fraction form
1,604,430.37/2,214,138.41 = 879,272.20/x - Step 3: Cross multiply
1,604,430.37x = 2,214,138.41 × 879,272.20 - Step 4: Simplify right side
1,604,430.37x = 1,946,830,346,468.84 - Step 5: Solve for x
x = 1,946,830,346,468.84/1,604,430.37 - Step 6: Final answer
x = 1,213,409.06
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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.