Finding the Fourth Proportional to 5,656,374.74, 7,805,959.98 and 3,078,218.90
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Solution
The fourth proportional to 5,656,374.74, 7,805,959.98 and 3,078,218.90 is: 4,248,030.70
Step by Step Solution
- Step 1: Write the proportion equation
5,656,374.74 : 7,805,959.98 = 3,078,218.90 : x - Step 2: Convert to fraction form
5,656,374.74/7,805,959.98 = 3,078,218.90/x - Step 3: Cross multiply
5,656,374.74x = 7,805,959.98 × 3,078,218.90 - Step 4: Simplify right side
5,656,374.74x = 24,028,453,543,079.62 - Step 5: Solve for x
x = 24,028,453,543,079.62/5,656,374.74 - Step 6: Final answer
x = 4,248,030.70
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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.