Finding the Fourth Proportional to 6,802,502.80, 9,387,099.57 and 4,224,128.23
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Solution
The fourth proportional to 6,802,502.80, 9,387,099.57 and 4,224,128.23 is: 5,829,076.95
Step by Step Solution
- Step 1: Write the proportion equation
6,802,502.80 : 9,387,099.57 = 4,224,128.23 : x - Step 2: Convert to fraction form
6,802,502.80/9,387,099.57 = 4,224,128.23/x - Step 3: Cross multiply
6,802,502.80x = 9,387,099.57 × 4,224,128.23 - Step 4: Simplify right side
6,802,502.80x = 39,652,312,291,457.87 - Step 5: Solve for x
x = 39,652,312,291,457.87/6,802,502.80 - Step 6: Final answer
x = 5,829,076.95
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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.