Finding the Fourth Proportional to 6,345,120.16, 8,756,204.56 and 3,444,448.80
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Solution
The fourth proportional to 6,345,120.16, 8,756,204.56 and 3,444,448.80 is: 4,753,306.09
Step by Step Solution
- Step 1: Write the proportion equation
6,345,120.16 : 8,756,204.56 = 3,444,448.80 : x - Step 2: Convert to fraction form
6,345,120.16/8,756,204.56 = 3,444,448.80/x - Step 3: Cross multiply
6,345,120.16x = 8,756,204.56 × 3,444,448.80 - Step 4: Simplify right side
6,345,120.16x = 30,160,298,289,246.53 - Step 5: Solve for x
x = 30,160,298,289,246.53/6,345,120.16 - Step 6: Final answer
x = 4,753,306.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.