Finding the Fourth Proportional to 2,931,570.96, 4,045,995.44 and 1,642,498.64
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Solution
The fourth proportional to 2,931,570.96, 4,045,995.44 and 1,642,498.64 is: 2,266,887.65
Step by Step Solution
- Step 1: Write the proportion equation
2,931,570.96 : 4,045,995.44 = 1,642,498.64 : x - Step 2: Convert to fraction form
2,931,570.96/4,045,995.44 = 1,642,498.64/x - Step 3: Cross multiply
2,931,570.96x = 4,045,995.44 × 1,642,498.64 - Step 4: Simplify right side
2,931,570.96x = 6,645,542,007,646.20 - Step 5: Solve for x
x = 6,645,542,007,646.20/2,931,570.96 - Step 6: Final answer
x = 2,266,887.65
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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.