Finding the Fourth Proportional to 6,346,664.21, 8,758,151.06 and 3,445,988.74
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Solution
The fourth proportional to 6,346,664.21, 8,758,151.06 and 3,445,988.74 is: 4,755,331.13
Step by Step Solution
- Step 1: Write the proportion equation
6,346,664.21 : 8,758,151.06 = 3,445,988.74 : x - Step 2: Convert to fraction form
6,346,664.21/8,758,151.06 = 3,445,988.74/x - Step 3: Cross multiply
6,346,664.21x = 8,758,151.06 × 3,445,988.74 - Step 4: Simplify right side
6,346,664.21x = 30,180,489,896,853.74 - Step 5: Solve for x
x = 30,180,489,896,853.74/6,346,664.21 - Step 6: Final answer
x = 4,755,331.13
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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.