Finding the Fourth Proportional to 1,935,388.13, 2,670,904.07 and 1,064,289.23
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Solution
The fourth proportional to 1,935,388.13, 2,670,904.07 and 1,064,289.23 is: 1,468,756.78
Step by Step Solution
- Step 1: Write the proportion equation
1,935,388.13 : 2,670,904.07 = 1,064,289.23 : x - Step 2: Convert to fraction form
1,935,388.13/2,670,904.07 = 1,064,289.23/x - Step 3: Cross multiply
1,935,388.13x = 2,670,904.07 × 1,064,289.23 - Step 4: Simplify right side
1,935,388.13x = 2,842,614,436,064.17 - Step 5: Solve for x
x = 2,842,614,436,064.17/1,935,388.13 - Step 6: Final answer
x = 1,468,756.78
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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.