Finding the Fourth Proportional to 4,326,776.17, 6,490,175.33 and 1,767,991.18
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Solution
The fourth proportional to 4,326,776.17, 6,490,175.33 and 1,767,991.18 is: 2,651,991.30
Step by Step Solution
- Step 1: Write the proportion equation
4,326,776.17 : 6,490,175.33 = 1,767,991.18 : x - Step 2: Convert to fraction form
4,326,776.17/6,490,175.33 = 1,767,991.18/x - Step 3: Cross multiply
4,326,776.17x = 6,490,175.33 × 1,767,991.18 - Step 4: Simplify right side
4,326,776.17x = 11,474,572,740,093.59 - Step 5: Solve for x
x = 11,474,572,740,093.59/4,326,776.17 - Step 6: Final answer
x = 2,651,991.30
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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.