Finding the Fourth Proportional to 4,289,955.60, 6,434,931.36 and 1,095,080.76
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Solution
The fourth proportional to 4,289,955.60, 6,434,931.36 and 1,095,080.76 is: 1,642,620.62
Step by Step Solution
- Step 1: Write the proportion equation
4,289,955.60 : 6,434,931.36 = 1,095,080.76 : x - Step 2: Convert to fraction form
4,289,955.60/6,434,931.36 = 1,095,080.76/x - Step 3: Cross multiply
4,289,955.60x = 6,434,931.36 × 1,095,080.76 - Step 4: Simplify right side
4,289,955.60x = 7,046,769,524,256.63 - Step 5: Solve for x
x = 7,046,769,524,256.63/4,289,955.60 - Step 6: Final answer
x = 1,642,620.62
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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.