Finding the Fourth Proportional to 6,356,138.19, 8,771,570.46 and 3,455,540.12
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Solution
The fourth proportional to 6,356,138.19, 8,771,570.46 and 3,455,540.12 is: 4,768,699.59
Step by Step Solution
- Step 1: Write the proportion equation
6,356,138.19 : 8,771,570.46 = 3,455,540.12 : x - Step 2: Convert to fraction form
6,356,138.19/8,771,570.46 = 3,455,540.12/x - Step 3: Cross multiply
6,356,138.19x = 8,771,570.46 × 3,455,540.12 - Step 4: Simplify right side
6,356,138.19x = 30,310,513,596,079.01 - Step 5: Solve for x
x = 30,310,513,596,079.01/6,356,138.19 - Step 6: Final answer
x = 4,768,699.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.