Finding the Fourth Proportional to 4,028,937.20, 6,041,656.20 and 1,332,220.40
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Solution
The fourth proportional to 4,028,937.20, 6,041,656.20 and 1,332,220.40 is: 1,997,752.07
Step by Step Solution
- Step 1: Write the proportion equation
4,028,937.20 : 6,041,656.20 = 1,332,220.40 : x - Step 2: Convert to fraction form
4,028,937.20/6,041,656.20 = 1,332,220.40/x - Step 3: Cross multiply
4,028,937.20x = 6,041,656.20 × 1,332,220.40 - Step 4: Simplify right side
4,028,937.20x = 8,048,817,639,426.48 - Step 5: Solve for x
x = 8,048,817,639,426.48/4,028,937.20 - Step 6: Final answer
x = 1,997,752.07
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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.