Finding the Fourth Proportional to 4,216,154.95, 5,818,295.71 and 2,282,415.47
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Solution
The fourth proportional to 4,216,154.95, 5,818,295.71 and 2,282,415.47 is: 3,149,734.37
Step by Step Solution
- Step 1: Write the proportion equation
4,216,154.95 : 5,818,295.71 = 2,282,415.47 : x - Step 2: Convert to fraction form
4,216,154.95/5,818,295.71 = 2,282,415.47/x - Step 3: Cross multiply
4,216,154.95x = 5,818,295.71 × 2,282,415.47 - Step 4: Simplify right side
4,216,154.95x = 13,279,768,133,118.78 - Step 5: Solve for x
x = 13,279,768,133,118.78/4,216,154.95 - Step 6: Final answer
x = 3,149,734.37
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1.5x scale
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.