Finding the Fourth Proportional to 2,809,930.14, 4,214,420.55 and 787,710.06
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Solution
The fourth proportional to 2,809,930.14, 4,214,420.55 and 787,710.06 is: 1,181,432.03
Step by Step Solution
- Step 1: Write the proportion equation
2,809,930.14 : 4,214,420.55 = 787,710.06 : x - Step 2: Convert to fraction form
2,809,930.14/4,214,420.55 = 787,710.06/x - Step 3: Cross multiply
2,809,930.14x = 4,214,420.55 × 787,710.06 - Step 4: Simplify right side
2,809,930.14x = 3,319,741,464,305.73 - Step 5: Solve for x
x = 3,319,741,464,305.73/2,809,930.14 - Step 6: Final answer
x = 1,181,432.03
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1.5x scale
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.