Finding the Fourth Proportional to 4,476,856.13, 6,178,313.88 and 3,387,235.93
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Solution
The fourth proportional to 4,476,856.13, 6,178,313.88 and 3,387,235.93 is: 4,674,576.57
Step by Step Solution
- Step 1: Write the proportion equation
4,476,856.13 : 6,178,313.88 = 3,387,235.93 : x - Step 2: Convert to fraction form
4,476,856.13/6,178,313.88 = 3,387,235.93/x - Step 3: Cross multiply
4,476,856.13x = 6,178,313.88 × 3,387,235.93 - Step 4: Simplify right side
4,476,856.13x = 20,927,406,745,707.93 - Step 5: Solve for x
x = 20,927,406,745,707.93/4,476,856.13 - Step 6: Final answer
x = 4,674,576.57
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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.