Finding the Fourth Proportional to 7,194,966.40, 10,778,452.80 and 4,346,617.60
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Solution
The fourth proportional to 7,194,966.40, 10,778,452.80 and 4,346,617.60 is: 6,511,470.66
Step by Step Solution
- Step 1: Write the proportion equation
7,194,966.40 : 10,778,452.80 = 4,346,617.60 : x - Step 2: Convert to fraction form
7,194,966.40/10,778,452.80 = 4,346,617.60/x - Step 3: Cross multiply
7,194,966.40x = 10,778,452.80 × 4,346,617.60 - Step 4: Simplify right side
7,194,966.40x = 46,849,812,641,249.28 - Step 5: Solve for x
x = 46,849,812,641,249.28/7,194,966.40 - Step 6: Final answer
x = 6,511,470.66
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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.