Finding the Fourth Proportional to 6,328,182.80, 9,489,941.40 and 3,132,246.80
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Solution
The fourth proportional to 6,328,182.80, 9,489,941.40 and 3,132,246.80 is: 4,697,215.54
Step by Step Solution
- Step 1: Write the proportion equation
6,328,182.80 : 9,489,941.40 = 3,132,246.80 : x - Step 2: Convert to fraction form
6,328,182.80/9,489,941.40 = 3,132,246.80/x - Step 3: Cross multiply
6,328,182.80x = 9,489,941.40 × 3,132,246.80 - Step 4: Simplify right side
6,328,182.80x = 29,724,838,582,337.52 - Step 5: Solve for x
x = 29,724,838,582,337.52/6,328,182.80 - Step 6: Final answer
x = 4,697,215.54
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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.