Finding the Fourth Proportional to 4,242,178.85, 6,363,281.36 and 1,047,305.36
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Solution
The fourth proportional to 4,242,178.85, 6,363,281.36 and 1,047,305.36 is: 1,570,961.28
Step by Step Solution
- Step 1: Write the proportion equation
4,242,178.85 : 6,363,281.36 = 1,047,305.36 : x - Step 2: Convert to fraction form
4,242,178.85/6,363,281.36 = 1,047,305.36/x - Step 3: Cross multiply
4,242,178.85x = 6,363,281.36 × 1,047,305.36 - Step 4: Simplify right side
4,242,178.85x = 6,664,298,694,042.56 - Step 5: Solve for x
x = 6,664,298,694,042.56/4,242,178.85 - Step 6: Final answer
x = 1,570,961.28
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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.