Finding the Fourth Proportional to 7,558,722.96, 11,338,069.84 and 1,878,952.74
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Solution
The fourth proportional to 7,558,722.96, 11,338,069.84 and 1,878,952.74 is: 2,818,425.48
Step by Step Solution
- Step 1: Write the proportion equation
7,558,722.96 : 11,338,069.84 = 1,878,952.74 : x - Step 2: Convert to fraction form
7,558,722.96/11,338,069.84 = 1,878,952.74/x - Step 3: Cross multiply
7,558,722.96x = 11,338,069.84 × 1,878,952.74 - Step 4: Simplify right side
7,558,722.96x = 21,303,697,392,179.36 - Step 5: Solve for x
x = 21,303,697,392,179.36/7,558,722.96 - Step 6: Final answer
x = 2,818,425.48
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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.