Finding the Fourth Proportional to 6,319,111.84, 8,720,355.36 and 3,418,502.08
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Solution
The fourth proportional to 6,319,111.84, 8,720,355.36 and 3,418,502.08 is: 4,717,522.60
Step by Step Solution
- Step 1: Write the proportion equation
6,319,111.84 : 8,720,355.36 = 3,418,502.08 : x - Step 2: Convert to fraction form
6,319,111.84/8,720,355.36 = 3,418,502.08/x - Step 3: Cross multiply
6,319,111.84x = 8,720,355.36 × 3,418,502.08 - Step 4: Simplify right side
6,319,111.84x = 29,810,552,936,499.15 - Step 5: Solve for x
x = 29,810,552,936,499.15/6,319,111.84 - Step 6: Final answer
x = 4,717,522.60
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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.