Finding the Fourth Proportional to 1,899,743.09, 2,621,660.90 and 1,125,417.96
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Solution
The fourth proportional to 1,899,743.09, 2,621,660.90 and 1,125,417.96 is: 1,553,085.93
Step by Step Solution
- Step 1: Write the proportion equation
1,899,743.09 : 2,621,660.90 = 1,125,417.96 : x - Step 2: Convert to fraction form
1,899,743.09/2,621,660.90 = 1,125,417.96/x - Step 3: Cross multiply
1,899,743.09x = 2,621,660.90 × 1,125,417.96 - Step 4: Simplify right side
1,899,743.09x = 2,950,464,256,262.67 - Step 5: Solve for x
x = 2,950,464,256,262.67/1,899,743.09 - Step 6: Final answer
x = 1,553,085.93
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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.