Finding the Fourth Proportional to 1,346,980.36, 2,020,396.68 and 814,358.38
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Solution
The fourth proportional to 1,346,980.36, 2,020,396.68 and 814,358.38 is: 1,221,492.92
Step by Step Solution
- Step 1: Write the proportion equation
1,346,980.36 : 2,020,396.68 = 814,358.38 : x - Step 2: Convert to fraction form
1,346,980.36/2,020,396.68 = 814,358.38/x - Step 3: Cross multiply
1,346,980.36x = 2,020,396.68 × 814,358.38 - Step 4: Simplify right side
1,346,980.36x = 1,645,326,967,282.18 - Step 5: Solve for x
x = 1,645,326,967,282.18/1,346,980.36 - Step 6: Final answer
x = 1,221,492.92
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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.