Finding the Fourth Proportional to 1,346,686.26, 2,020,031.69 and 1,078,519.99
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Solution
The fourth proportional to 1,346,686.26, 2,020,031.69 and 1,078,519.99 is: 1,617,781.83
Step by Step Solution
- Step 1: Write the proportion equation
1,346,686.26 : 2,020,031.69 = 1,078,519.99 : x - Step 2: Convert to fraction form
1,346,686.26/2,020,031.69 = 1,078,519.99/x - Step 3: Cross multiply
1,346,686.26x = 2,020,031.69 × 1,078,519.99 - Step 4: Simplify right side
1,346,686.26x = 2,178,644,558,599.49 - Step 5: Solve for x
x = 2,178,644,558,599.49/1,346,686.26 - Step 6: Final answer
x = 1,617,781.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.