Finding the Fourth Proportional to 5,620,246.74, 7,756,128.23 and 3,444,369.48
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Solution
The fourth proportional to 5,620,246.74, 7,756,128.23 and 3,444,369.48 is: 4,753,344.93
Step by Step Solution
- Step 1: Write the proportion equation
5,620,246.74 : 7,756,128.23 = 3,444,369.48 : x - Step 2: Convert to fraction form
5,620,246.74/7,756,128.23 = 3,444,369.48/x - Step 3: Cross multiply
5,620,246.74x = 7,756,128.23 × 3,444,369.48 - Step 4: Simplify right side
5,620,246.74x = 26,714,971,341,156.57 - Step 5: Solve for x
x = 26,714,971,341,156.57/5,620,246.74 - Step 6: Final answer
x = 4,753,344.93
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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.