Finding the Fourth Proportional to 6,139,425.60, 9,203,886.72 and 2,355,624
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Solution
The fourth proportional to 6,139,425.60, 9,203,886.72 and 2,355,624 is: 3,531,420.99
Step by Step Solution
- Step 1: Write the proportion equation
6,139,425.60 : 9,203,886.72 = 2,355,624 : x - Step 2: Convert to fraction form
6,139,425.60/9,203,886.72 = 2,355,624/x - Step 3: Cross multiply
6,139,425.60x = 9,203,886.72 × 2,355,624 - Step 4: Simplify right side
6,139,425.60x = 21,680,896,450,913.28 - Step 5: Solve for x
x = 21,680,896,450,913.28/6,139,425.60 - Step 6: Final answer
x = 3,531,420.99
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1.5x scale
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.