Finding the Fourth Proportional to 6,979,182.99, 9,628,630.62 and 4,328,804.51
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Solution
The fourth proportional to 6,979,182.99, 9,628,630.62 and 4,328,804.51 is: 5,972,111.59
Step by Step Solution
- Step 1: Write the proportion equation
6,979,182.99 : 9,628,630.62 = 4,328,804.51 : x - Step 2: Convert to fraction form
6,979,182.99/9,628,630.62 = 4,328,804.51/x - Step 3: Cross multiply
6,979,182.99x = 9,628,630.62 × 4,328,804.51 - Step 4: Simplify right side
6,979,182.99x = 41,680,459,652,980.09 - Step 5: Solve for x
x = 41,680,459,652,980.09/6,979,182.99 - Step 6: Final answer
x = 5,972,111.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.