Finding the Fourth Proportional to 4,303,659.60, 6,453,980.64 and 1,270,216.08
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Solution
The fourth proportional to 4,303,659.60, 6,453,980.64 and 1,270,216.08 is: 1,904,878.81
Step by Step Solution
- Step 1: Write the proportion equation
4,303,659.60 : 6,453,980.64 = 1,270,216.08 : x - Step 2: Convert to fraction form
4,303,659.60/6,453,980.64 = 1,270,216.08/x - Step 3: Cross multiply
4,303,659.60x = 6,453,980.64 × 1,270,216.08 - Step 4: Simplify right side
4,303,659.60x = 8,197,949,988,936.69 - Step 5: Solve for x
x = 8,197,949,988,936.69/4,303,659.60 - Step 6: Final answer
x = 1,904,878.81
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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.