Finding the Fourth Proportional to 1,565,979.27, 2,161,203.06 and 877,768.02
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Solution
The fourth proportional to 1,565,979.27, 2,161,203.06 and 877,768.02 is: 1,211,404.88
Step by Step Solution
- Step 1: Write the proportion equation
1,565,979.27 : 2,161,203.06 = 877,768.02 : x - Step 2: Convert to fraction form
1,565,979.27/2,161,203.06 = 877,768.02/x - Step 3: Cross multiply
1,565,979.27x = 2,161,203.06 × 877,768.02 - Step 4: Simplify right side
1,565,979.27x = 1,897,034,930,794.14 - Step 5: Solve for x
x = 1,897,034,930,794.14/1,565,979.27 - Step 6: Final answer
x = 1,211,404.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.