Finding the Fourth Proportional to 6,786,245.80, 10,179,368.70 and 2,058,437.80
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Solution
The fourth proportional to 6,786,245.80, 10,179,368.70 and 2,058,437.80 is: 3,087,656.70
Step by Step Solution
- Step 1: Write the proportion equation
6,786,245.80 : 10,179,368.70 = 2,058,437.80 : x - Step 2: Convert to fraction form
6,786,245.80/10,179,368.70 = 2,058,437.80/x - Step 3: Cross multiply
6,786,245.80x = 10,179,368.70 × 2,058,437.80 - Step 4: Simplify right side
6,786,245.80x = 20,953,597,312,216.86 - Step 5: Solve for x
x = 20,953,597,312,216.86/6,786,245.80 - Step 6: Final answer
x = 3,087,656.70
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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.