Finding the Fourth Proportional to 7,228,258.37, 9,974,903.49 and 4,130,746.26
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Solution
The fourth proportional to 7,228,258.37, 9,974,903.49 and 4,130,746.26 is: 5,700,376.66
Step by Step Solution
- Step 1: Write the proportion equation
7,228,258.37 : 9,974,903.49 = 4,130,746.26 : x - Step 2: Convert to fraction form
7,228,258.37/9,974,903.49 = 4,130,746.26/x - Step 3: Cross multiply
7,228,258.37x = 9,974,903.49 × 4,130,746.26 - Step 4: Simplify right side
7,228,258.37x = 41,203,795,285,178.45 - Step 5: Solve for x
x = 41,203,795,285,178.45/7,228,258.37 - Step 6: Final answer
x = 5,700,376.66
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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.