Finding the Fourth Proportional to 5,009,394.68, 6,912,381.45 and 2,804,378.24
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Solution
The fourth proportional to 5,009,394.68, 6,912,381.45 and 2,804,378.24 is: 3,869,715.48
Step by Step Solution
- Step 1: Write the proportion equation
5,009,394.68 : 6,912,381.45 = 2,804,378.24 : x - Step 2: Convert to fraction form
5,009,394.68/6,912,381.45 = 2,804,378.24/x - Step 3: Cross multiply
5,009,394.68x = 6,912,381.45 × 2,804,378.24 - Step 4: Simplify right side
5,009,394.68x = 19,384,932,124,959.65 - Step 5: Solve for x
x = 19,384,932,124,959.65/5,009,394.68 - Step 6: Final answer
x = 3,869,715.48
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1.5x scale
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.