Finding the Fourth Proportional to 6,124,828.70, 9,187,243.05 and 4,298,246.30
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Solution
The fourth proportional to 6,124,828.70, 9,187,243.05 and 4,298,246.30 is: 6,447,369.45
Step by Step Solution
- Step 1: Write the proportion equation
6,124,828.70 : 9,187,243.05 = 4,298,246.30 : x - Step 2: Convert to fraction form
6,124,828.70/9,187,243.05 = 4,298,246.30/x - Step 3: Cross multiply
6,124,828.70x = 9,187,243.05 × 4,298,246.30 - Step 4: Simplify right side
6,124,828.70x = 39,489,033,446,863.22 - Step 5: Solve for x
x = 39,489,033,446,863.22/6,124,828.70 - Step 6: Final answer
x = 6,447,369.45
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1.5x scale
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.