Finding the Fourth Proportional to 4,239,573.36, 6,359,210.19 and 1,206,955.50
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Solution
The fourth proportional to 4,239,573.36, 6,359,210.19 and 1,206,955.50 is: 1,810,390.59
Step by Step Solution
- Step 1: Write the proportion equation
4,239,573.36 : 6,359,210.19 = 1,206,955.50 : x - Step 2: Convert to fraction form
4,239,573.36/6,359,210.19 = 1,206,955.50/x - Step 3: Cross multiply
4,239,573.36x = 6,359,210.19 × 1,206,955.50 - Step 4: Simplify right side
4,239,573.36x = 7,675,283,714,476.55 - Step 5: Solve for x
x = 7,675,283,714,476.55/4,239,573.36 - Step 6: Final answer
x = 1,810,390.59
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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.