Finding the Fourth Proportional to 7,648,904.80, 11,473,357.20 and 2,257,731.10
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Solution
The fourth proportional to 7,648,904.80, 11,473,357.20 and 2,257,731.10 is: 3,386,596.65
Step by Step Solution
- Step 1: Write the proportion equation
7,648,904.80 : 11,473,357.20 = 2,257,731.10 : x - Step 2: Convert to fraction form
7,648,904.80/11,473,357.20 = 2,257,731.10/x - Step 3: Cross multiply
7,648,904.80x = 11,473,357.20 × 2,257,731.10 - Step 4: Simplify right side
7,648,904.80x = 25,903,755,371,848.92 - Step 5: Solve for x
x = 25,903,755,371,848.92/7,648,904.80 - Step 6: Final answer
x = 3,386,596.65
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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.