Finding the Fourth Proportional to 7,187,619.86, 10,781,597.47 and 2,395,698.74
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Solution
The fourth proportional to 7,187,619.86, 10,781,597.47 and 2,395,698.74 is: 3,593,604.00
Step by Step Solution
- Step 1: Write the proportion equation
7,187,619.86 : 10,781,597.47 = 2,395,698.74 : x - Step 2: Convert to fraction form
7,187,619.86/10,781,597.47 = 2,395,698.74/x - Step 3: Cross multiply
7,187,619.86x = 10,781,597.47 × 2,395,698.74 - Step 4: Simplify right side
7,187,619.86x = 25,829,459,474,066.19 - Step 5: Solve for x
x = 25,829,459,474,066.19/7,187,619.86 - Step 6: Final answer
x = 3,593,604.00
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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.