Finding the Fourth Proportional to 5,928,215.29, 8,177,781.39 and 3,605,818.12
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Solution
The fourth proportional to 5,928,215.29, 8,177,781.39 and 3,605,818.12 is: 4,974,109.55
Step by Step Solution
- Step 1: Write the proportion equation
5,928,215.29 : 8,177,781.39 = 3,605,818.12 : x - Step 2: Convert to fraction form
5,928,215.29/8,177,781.39 = 3,605,818.12/x - Step 3: Cross multiply
5,928,215.29x = 8,177,781.39 × 3,605,818.12 - Step 4: Simplify right side
5,928,215.29x = 29,487,592,317,460.79 - Step 5: Solve for x
x = 29,487,592,317,460.79/5,928,215.29 - Step 6: Final answer
x = 4,974,109.55
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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.