Finding the Fourth Proportional to 1,895,623.68, 2,615,960.80 and 1,036,187.36
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Solution
The fourth proportional to 1,895,623.68, 2,615,960.80 and 1,036,187.36 is: 1,429,938.62
Step by Step Solution
- Step 1: Write the proportion equation
1,895,623.68 : 2,615,960.80 = 1,036,187.36 : x - Step 2: Convert to fraction form
1,895,623.68/2,615,960.80 = 1,036,187.36/x - Step 3: Cross multiply
1,895,623.68x = 2,615,960.80 × 1,036,187.36 - Step 4: Simplify right side
1,895,623.68x = 2,710,625,515,215.49 - Step 5: Solve for x
x = 2,710,625,515,215.49/1,895,623.68 - Step 6: Final answer
x = 1,429,938.62
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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.