Finding the Fourth Proportional to 4,187,430.12, 6,277,712.44 and 1,490,219.43
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Solution
The fourth proportional to 4,187,430.12, 6,277,712.44 and 1,490,219.43 is: 2,234,107.50
Step by Step Solution
- Step 1: Write the proportion equation
4,187,430.12 : 6,277,712.44 = 1,490,219.43 : x - Step 2: Convert to fraction form
4,187,430.12/6,277,712.44 = 1,490,219.43/x - Step 3: Cross multiply
4,187,430.12x = 6,277,712.44 × 1,490,219.43 - Step 4: Simplify right side
4,187,430.12x = 9,355,169,054,040.71 - Step 5: Solve for x
x = 9,355,169,054,040.71/4,187,430.12 - Step 6: Final answer
x = 2,234,107.50
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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.