Finding the Fourth Proportional to 6,471,603.80, 8,930,802.60 and 3,570,992.36
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Solution
The fourth proportional to 6,471,603.80, 8,930,802.60 and 3,570,992.36 is: 4,927,963.58
Step by Step Solution
- Step 1: Write the proportion equation
6,471,603.80 : 8,930,802.60 = 3,570,992.36 : x - Step 2: Convert to fraction form
6,471,603.80/8,930,802.60 = 3,570,992.36/x - Step 3: Cross multiply
6,471,603.80x = 8,930,802.60 × 3,570,992.36 - Step 4: Simplify right side
6,471,603.80x = 31,891,827,853,268.13 - Step 5: Solve for x
x = 31,891,827,853,268.13/6,471,603.80 - Step 6: Final answer
x = 4,927,963.58
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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.