Finding the Fourth Proportional to 1,860,390.60, 2,567,182.02 and 1,125,618.54
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Solution
The fourth proportional to 1,860,390.60, 2,567,182.02 and 1,125,618.54 is: 1,553,258.59
Step by Step Solution
- Step 1: Write the proportion equation
1,860,390.60 : 2,567,182.02 = 1,125,618.54 : x - Step 2: Convert to fraction form
1,860,390.60/2,567,182.02 = 1,125,618.54/x - Step 3: Cross multiply
1,860,390.60x = 2,567,182.02 × 1,125,618.54 - Step 4: Simplify right side
1,860,390.60x = 2,889,667,677,266.65 - Step 5: Solve for x
x = 2,889,667,677,266.65/1,860,390.60 - Step 6: Final answer
x = 1,553,258.59
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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.