Finding the Fourth Proportional to 1,687,617.64, 2,330,040.04 and 999,510.88
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Solution
The fourth proportional to 1,687,617.64, 2,330,040.04 and 999,510.88 is: 1,379,992.91
Step by Step Solution
- Step 1: Write the proportion equation
1,687,617.64 : 2,330,040.04 = 999,510.88 : x - Step 2: Convert to fraction form
1,687,617.64/2,330,040.04 = 999,510.88/x - Step 3: Cross multiply
1,687,617.64x = 2,330,040.04 × 999,510.88 - Step 4: Simplify right side
1,687,617.64x = 2,328,900,370,815.64 - Step 5: Solve for x
x = 2,328,900,370,815.64/1,687,617.64 - Step 6: Final answer
x = 1,379,992.91
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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.