Finding the Fourth Proportional to 1,896,178.09, 2,616,707.86 and 1,036,729.21
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Solution
The fourth proportional to 1,896,178.09, 2,616,707.86 and 1,036,729.21 is: 1,430,676.52
Step by Step Solution
- Step 1: Write the proportion equation
1,896,178.09 : 2,616,707.86 = 1,036,729.21 : x - Step 2: Convert to fraction form
1,896,178.09/2,616,707.86 = 1,036,729.21/x - Step 3: Cross multiply
1,896,178.09x = 2,616,707.86 × 1,036,729.21 - Step 4: Simplify right side
1,896,178.09x = 2,712,817,472,498.59 - Step 5: Solve for x
x = 2,712,817,472,498.59/1,896,178.09 - Step 6: Final answer
x = 1,430,676.52
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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.