Finding the Fourth Proportional to 6,646,134.70, 9,968,316.23 and 1,853,422.62
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Solution
The fourth proportional to 6,646,134.70, 9,968,316.23 and 1,853,422.62 is: 2,779,886.90
Step by Step Solution
- Step 1: Write the proportion equation
6,646,134.70 : 9,968,316.23 = 1,853,422.62 : x - Step 2: Convert to fraction form
6,646,134.70/9,968,316.23 = 1,853,422.62/x - Step 3: Cross multiply
6,646,134.70x = 9,968,316.23 × 1,853,422.62 - Step 4: Simplify right side
6,646,134.70x = 18,475,502,783,995.12 - Step 5: Solve for x
x = 18,475,502,783,995.12/6,646,134.70 - Step 6: Final answer
x = 2,779,886.90
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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.