Finding the Fourth Proportional to 4,811,681.16, 6,640,119.81 and 2,636,306.82
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Solution
The fourth proportional to 4,811,681.16, 6,640,119.81 and 2,636,306.82 is: 3,638,103.31
Step by Step Solution
- Step 1: Write the proportion equation
4,811,681.16 : 6,640,119.81 = 2,636,306.82 : x - Step 2: Convert to fraction form
4,811,681.16/6,640,119.81 = 2,636,306.82/x - Step 3: Cross multiply
4,811,681.16x = 6,640,119.81 × 2,636,306.82 - Step 4: Simplify right side
4,811,681.16x = 17,505,393,140,720.10 - Step 5: Solve for x
x = 17,505,393,140,720.10/4,811,681.16 - Step 6: Final answer
x = 3,638,103.31
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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.