Finding the Fourth Proportional to 4,473,106.56, 6,709,867.20 and 1,278,686.88
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Solution
The fourth proportional to 4,473,106.56, 6,709,867.20 and 1,278,686.88 is: 1,918,089.60
Step by Step Solution
- Step 1: Write the proportion equation
4,473,106.56 : 6,709,867.20 = 1,278,686.88 : x - Step 2: Convert to fraction form
4,473,106.56/6,709,867.20 = 1,278,686.88/x - Step 3: Cross multiply
4,473,106.56x = 6,709,867.20 × 1,278,686.88 - Step 4: Simplify right side
4,473,106.56x = 8,579,819,155,182.34 - Step 5: Solve for x
x = 8,579,819,155,182.34/4,473,106.56 - Step 6: Final answer
x = 1,918,089.60
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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.