Finding the Fourth Proportional to 1,604,562.20, 2,214,313.16 and 879,394.31
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Solution
The fourth proportional to 1,604,562.20, 2,214,313.16 and 879,394.31 is: 1,213,573.64
Step by Step Solution
- Step 1: Write the proportion equation
1,604,562.20 : 2,214,313.16 = 879,394.31 : x - Step 2: Convert to fraction form
1,604,562.20/2,214,313.16 = 879,394.31/x - Step 3: Cross multiply
1,604,562.20x = 2,214,313.16 × 879,394.31 - Step 4: Simplify right side
1,604,562.20x = 1,947,254,377,993.58 - Step 5: Solve for x
x = 1,947,254,377,993.58/1,604,562.20 - Step 6: Final answer
x = 1,213,573.64
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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.