Finding the Fourth Proportional to 1,567,430.38, 2,163,077.63 and 879,254.79
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Solution
The fourth proportional to 1,567,430.38, 2,163,077.63 and 879,254.79 is: 1,213,384.90
Step by Step Solution
- Step 1: Write the proportion equation
1,567,430.38 : 2,163,077.63 = 879,254.79 : x - Step 2: Convert to fraction form
1,567,430.38/2,163,077.63 = 879,254.79/x - Step 3: Cross multiply
1,567,430.38x = 2,163,077.63 × 879,254.79 - Step 4: Simplify right side
1,567,430.38x = 1,901,896,352,107.69 - Step 5: Solve for x
x = 1,901,896,352,107.69/1,567,430.38 - Step 6: Final answer
x = 1,213,384.90
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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.