Finding the Fourth Proportional to 1,687,814.64, 2,326,396.94 and 1,257,937.92
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Solution
The fourth proportional to 1,687,814.64, 2,326,396.94 and 1,257,937.92 is: 1,733,876.97
Step by Step Solution
- Step 1: Write the proportion equation
1,687,814.64 : 2,326,396.94 = 1,257,937.92 : x - Step 2: Convert to fraction form
1,687,814.64/2,326,396.94 = 1,257,937.92/x - Step 3: Cross multiply
1,687,814.64x = 2,326,396.94 × 1,257,937.92 - Step 4: Simplify right side
1,687,814.64x = 2,926,462,927,797.96 - Step 5: Solve for x
x = 2,926,462,927,797.96/1,687,814.64 - Step 6: Final answer
x = 1,733,876.97
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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.