Finding the Fourth Proportional to 1,917,663.35, 2,646,828.35 and 1,102,340.03
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Solution
The fourth proportional to 1,917,663.35, 2,646,828.35 and 1,102,340.03 is: 1,521,489.60
Step by Step Solution
- Step 1: Write the proportion equation
1,917,663.35 : 2,646,828.35 = 1,102,340.03 : x - Step 2: Convert to fraction form
1,917,663.35/2,646,828.35 = 1,102,340.03/x - Step 3: Cross multiply
1,917,663.35x = 2,646,828.35 × 1,102,340.03 - Step 4: Simplify right side
1,917,663.35x = 2,917,704,828,131.78 - Step 5: Solve for x
x = 2,917,704,828,131.78/1,917,663.35 - Step 6: Final answer
x = 1,521,489.60
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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.