Finding the Fourth Proportional to 4,892,871.84, 6,752,246.61 and 2,687,827.63
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Solution
The fourth proportional to 4,892,871.84, 6,752,246.61 and 2,687,827.63 is: 3,709,247.98
Step by Step Solution
- Step 1: Write the proportion equation
4,892,871.84 : 6,752,246.61 = 2,687,827.63 : x - Step 2: Convert to fraction form
4,892,871.84/6,752,246.61 = 2,687,827.63/x - Step 3: Cross multiply
4,892,871.84x = 6,752,246.61 × 2,687,827.63 - Step 4: Simplify right side
4,892,871.84x = 18,148,875,002,931.84 - Step 5: Solve for x
x = 18,148,875,002,931.84/4,892,871.84 - Step 6: Final answer
x = 3,709,247.98
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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.