Finding the Fourth Proportional to 4,368,309.76, 6,555,417.09 and 1,528,446.52
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Solution
The fourth proportional to 4,368,309.76, 6,555,417.09 and 1,528,446.52 is: 2,293,702.83
Step by Step Solution
- Step 1: Write the proportion equation
4,368,309.76 : 6,555,417.09 = 1,528,446.52 : x - Step 2: Convert to fraction form
4,368,309.76/6,555,417.09 = 1,528,446.52/x - Step 3: Cross multiply
4,368,309.76x = 6,555,417.09 × 1,528,446.52 - Step 4: Simplify right side
4,368,309.76x = 10,019,604,438,359.03 - Step 5: Solve for x
x = 10,019,604,438,359.03/4,368,309.76 - Step 6: Final answer
x = 2,293,702.83
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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.