Finding the Fourth Proportional to 4,991,280.19, 6,887,966.67 and 2,699,440.88
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Solution
The fourth proportional to 4,991,280.19, 6,887,966.67 and 2,699,440.88 is: 3,725,228.41
Step by Step Solution
- Step 1: Write the proportion equation
4,991,280.19 : 6,887,966.67 = 2,699,440.88 : x - Step 2: Convert to fraction form
4,991,280.19/6,887,966.67 = 2,699,440.88/x - Step 3: Cross multiply
4,991,280.19x = 6,887,966.67 × 2,699,440.88 - Step 4: Simplify right side
4,991,280.19x = 18,593,658,774,635.64 - Step 5: Solve for x
x = 18,593,658,774,635.64/4,991,280.19 - Step 6: Final answer
x = 3,725,228.41
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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.