Finding the Fourth Proportional to 3,888,004.66, 5,365,449.80 and 2,169,125.53
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Solution
The fourth proportional to 3,888,004.66, 5,365,449.80 and 2,169,125.53 is: 2,993,395.11
Step by Step Solution
- Step 1: Write the proportion equation
3,888,004.66 : 5,365,449.80 = 2,169,125.53 : x - Step 2: Convert to fraction form
3,888,004.66/5,365,449.80 = 2,169,125.53/x - Step 3: Cross multiply
3,888,004.66x = 5,365,449.80 × 2,169,125.53 - Step 4: Simplify right side
3,888,004.66x = 11,638,334,130,267.77 - Step 5: Solve for x
x = 11,638,334,130,267.77/3,888,004.66 - Step 6: Final answer
x = 2,993,395.11
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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.