Finding the Fourth Proportional to 3,181,670.16, 4,772,515.08 and 785,515.08
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Solution
The fourth proportional to 3,181,670.16, 4,772,515.08 and 785,515.08 is: 1,178,275.05
Step by Step Solution
- Step 1: Write the proportion equation
3,181,670.16 : 4,772,515.08 = 785,515.08 : x - Step 2: Convert to fraction form
3,181,670.16/4,772,515.08 = 785,515.08/x - Step 3: Cross multiply
3,181,670.16x = 4,772,515.08 × 785,515.08 - Step 4: Simplify right side
3,181,670.16x = 3,748,882,564,867.41 - Step 5: Solve for x
x = 3,748,882,564,867.41/3,181,670.16 - Step 6: Final answer
x = 1,178,275.05
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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.