Finding the Fourth Proportional to 4,316,403.12, 5,956,777.28 and 2,356,385.68
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Solution
The fourth proportional to 4,316,403.12, 5,956,777.28 and 2,356,385.68 is: 3,251,889.20
Step by Step Solution
- Step 1: Write the proportion equation
4,316,403.12 : 5,956,777.28 = 2,356,385.68 : x - Step 2: Convert to fraction form
4,316,403.12/5,956,777.28 = 2,356,385.68/x - Step 3: Cross multiply
4,316,403.12x = 5,956,777.28 × 2,356,385.68 - Step 4: Simplify right side
4,316,403.12x = 14,036,464,681,541.35 - Step 5: Solve for x
x = 14,036,464,681,541.35/4,316,403.12 - Step 6: Final answer
x = 3,251,889.20
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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.