Finding the Fourth Proportional to 4,521,690.29, 6,774,637.55 and 3,768,372.68
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Solution
The fourth proportional to 4,521,690.29, 6,774,637.55 and 3,768,372.68 is: 5,645,976.92
Step by Step Solution
- Step 1: Write the proportion equation
4,521,690.29 : 6,774,637.55 = 3,768,372.68 : x - Step 2: Convert to fraction form
4,521,690.29/6,774,637.55 = 3,768,372.68/x - Step 3: Cross multiply
4,521,690.29x = 6,774,637.55 × 3,768,372.68 - Step 4: Simplify right side
4,521,690.29x = 25,529,359,007,607.08 - Step 5: Solve for x
x = 25,529,359,007,607.08/4,521,690.29 - Step 6: Final answer
x = 5,645,976.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.