Finding the Fourth Proportional to 1,776,999.98, 2,449,709.19 and 1,266,816.62
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Solution
The fourth proportional to 1,776,999.98, 2,449,709.19 and 1,266,816.62 is: 1,746,388.49
Step by Step Solution
- Step 1: Write the proportion equation
1,776,999.98 : 2,449,709.19 = 1,266,816.62 : x - Step 2: Convert to fraction form
1,776,999.98/2,449,709.19 = 1,266,816.62/x - Step 3: Cross multiply
1,776,999.98x = 2,449,709.19 × 1,266,816.62 - Step 4: Simplify right side
1,776,999.98x = 3,103,332,316,058.74 - Step 5: Solve for x
x = 3,103,332,316,058.74/1,776,999.98 - Step 6: Final answer
x = 1,746,388.49
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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.