Finding the Fourth Proportional to 6,403,904.25, 8,837,457.65 and 3,503,232.84
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Solution
The fourth proportional to 6,403,904.25, 8,837,457.65 and 3,503,232.84 is: 4,834,499.49
Step by Step Solution
- Step 1: Write the proportion equation
6,403,904.25 : 8,837,457.65 = 3,503,232.84 : x - Step 2: Convert to fraction form
6,403,904.25/8,837,457.65 = 3,503,232.84/x - Step 3: Cross multiply
6,403,904.25x = 8,837,457.65 × 3,503,232.84 - Step 4: Simplify right side
6,403,904.25x = 30,959,671,844,073.06 - Step 5: Solve for x
x = 30,959,671,844,073.06/6,403,904.25 - Step 6: Final answer
x = 4,834,499.49
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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.