Finding the Fourth Proportional to 6,127,291.80, 9,190,937.70 and 1,639,567.80
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Solution
The fourth proportional to 6,127,291.80, 9,190,937.70 and 1,639,567.80 is: 2,459,351.70
Step by Step Solution
- Step 1: Write the proportion equation
6,127,291.80 : 9,190,937.70 = 1,639,567.80 : x - Step 2: Convert to fraction form
6,127,291.80/9,190,937.70 = 1,639,567.80/x - Step 3: Cross multiply
6,127,291.80x = 9,190,937.70 × 1,639,567.80 - Step 4: Simplify right side
6,127,291.80x = 15,069,165,504,726.06 - Step 5: Solve for x
x = 15,069,165,504,726.06/6,127,291.80 - Step 6: Final answer
x = 2,459,351.70
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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.