Finding the Fourth Proportional to 2,112,860.16, 3,169,342.08 and 692,858.88
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Solution
The fourth proportional to 2,112,860.16, 3,169,342.08 and 692,858.88 is: 1,039,305.32
Step by Step Solution
- Step 1: Write the proportion equation
2,112,860.16 : 3,169,342.08 = 692,858.88 : x - Step 2: Convert to fraction form
2,112,860.16/3,169,342.08 = 692,858.88/x - Step 3: Cross multiply
2,112,860.16x = 3,169,342.08 × 692,858.88 - Step 4: Simplify right side
2,112,860.16x = 2,195,906,803,885.67 - Step 5: Solve for x
x = 2,195,906,803,885.67/2,112,860.16 - Step 6: Final answer
x = 1,039,305.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.