Finding the Fourth Proportional to 6,128,733.32, 8,457,026.09 and 3,773,557.07
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Solution
The fourth proportional to 6,128,733.32, 8,457,026.09 and 3,773,557.07 is: 5,207,123.38
Step by Step Solution
- Step 1: Write the proportion equation
6,128,733.32 : 8,457,026.09 = 3,773,557.07 : x - Step 2: Convert to fraction form
6,128,733.32/8,457,026.09 = 3,773,557.07/x - Step 3: Cross multiply
6,128,733.32x = 8,457,026.09 × 3,773,557.07 - Step 4: Simplify right side
6,128,733.32x = 31,913,070,531,941.04 - Step 5: Solve for x
x = 31,913,070,531,941.04/6,128,733.32 - Step 6: Final answer
x = 5,207,123.38
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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.