Finding the Fourth Proportional to 6,319,209.99, 8,720,490.53 and 3,418,600.19
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Solution
The fourth proportional to 6,319,209.99, 8,720,490.53 and 3,418,600.19 is: 4,717,657.85
Step by Step Solution
- Step 1: Write the proportion equation
6,319,209.99 : 8,720,490.53 = 3,418,600.19 : x - Step 2: Convert to fraction form
6,319,209.99/8,720,490.53 = 3,418,600.19/x - Step 3: Cross multiply
6,319,209.99x = 8,720,490.53 × 3,418,600.19 - Step 4: Simplify right side
6,319,209.99x = 29,811,870,613,098.93 - Step 5: Solve for x
x = 29,811,870,613,098.93/6,319,209.99 - Step 6: Final answer
x = 4,717,657.85
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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.