Finding the Fourth Proportional to 1,225,967.07, 1,838,932.12 and 551,572.13
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Solution
The fourth proportional to 1,225,967.07, 1,838,932.12 and 551,572.13 is: 827,349.88
Step by Step Solution
- Step 1: Write the proportion equation
1,225,967.07 : 1,838,932.12 = 551,572.13 : x - Step 2: Convert to fraction form
1,225,967.07/1,838,932.12 = 551,572.13/x - Step 3: Cross multiply
1,225,967.07x = 1,838,932.12 × 551,572.13 - Step 4: Simplify right side
1,225,967.07x = 1,014,303,708,538.02 - Step 5: Solve for x
x = 1,014,303,708,538.02/1,225,967.07 - Step 6: Final answer
x = 827,349.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.