Finding the Fourth Proportional to 4,575,649.68, 6,314,695.74 and 2,641,991.76
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Solution
The fourth proportional to 4,575,649.68, 6,314,695.74 and 2,641,991.76 is: 3,646,121.38
Step by Step Solution
- Step 1: Write the proportion equation
4,575,649.68 : 6,314,695.74 = 2,641,991.76 : x - Step 2: Convert to fraction form
4,575,649.68/6,314,695.74 = 2,641,991.76/x - Step 3: Cross multiply
4,575,649.68x = 6,314,695.74 × 2,641,991.76 - Step 4: Simplify right side
4,575,649.68x = 16,683,374,111,987.10 - Step 5: Solve for x
x = 16,683,374,111,987.10/4,575,649.68 - Step 6: Final answer
x = 3,646,121.38
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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.