Finding the Fourth Proportional to 1,549,644.09, 2,138,473.76 and 896,220.74
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Solution
The fourth proportional to 1,549,644.09, 2,138,473.76 and 896,220.74 is: 1,236,764.32
Step by Step Solution
- Step 1: Write the proportion equation
1,549,644.09 : 2,138,473.76 = 896,220.74 : x - Step 2: Convert to fraction form
1,549,644.09/2,138,473.76 = 896,220.74/x - Step 3: Cross multiply
1,549,644.09x = 2,138,473.76 × 896,220.74 - Step 4: Simplify right side
1,549,644.09x = 1,916,544,520,484.31 - Step 5: Solve for x
x = 1,916,544,520,484.31/1,549,644.09 - Step 6: Final answer
x = 1,236,764.32
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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.