Finding the Fourth Proportional to 4,386,281.06, 6,579,422.40 and 1,191,879.20
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Solution
The fourth proportional to 4,386,281.06, 6,579,422.40 and 1,191,879.20 is: 1,787,819.02
Step by Step Solution
- Step 1: Write the proportion equation
4,386,281.06 : 6,579,422.40 = 1,191,879.20 : x - Step 2: Convert to fraction form
4,386,281.06/6,579,422.40 = 1,191,879.20/x - Step 3: Cross multiply
4,386,281.06x = 6,579,422.40 × 1,191,879.20 - Step 4: Simplify right side
4,386,281.06x = 7,841,876,706,574.08 - Step 5: Solve for x
x = 7,841,876,706,574.08/4,386,281.06 - Step 6: Final answer
x = 1,787,819.02
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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.