Finding the Fourth Proportional to 3,243,070, 4,865,392.36 and 999,207.92
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Solution
The fourth proportional to 3,243,070, 4,865,392.36 and 999,207.92 is: 1,499,054.47
Step by Step Solution
- Step 1: Write the proportion equation
3,243,070 : 4,865,392.36 = 999,207.92 : x - Step 2: Convert to fraction form
3,243,070/4,865,392.36 = 999,207.92/x - Step 3: Cross multiply
3,243,070x = 4,865,392.36 × 999,207.92 - Step 4: Simplify right side
3,243,070x = 4,861,538,580,019.49 - Step 5: Solve for x
x = 4,861,538,580,019.49/3,243,070 - Step 6: Final answer
x = 1,499,054.47
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1.5x scale
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.