Finding the Fourth Proportional to 1,717,701.30, 2,571,303.15 and 1,339,787.70
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Solution
The fourth proportional to 1,717,701.30, 2,571,303.15 and 1,339,787.70 is: 2,005,587.55
Step by Step Solution
- Step 1: Write the proportion equation
1,717,701.30 : 2,571,303.15 = 1,339,787.70 : x - Step 2: Convert to fraction form
1,717,701.30/2,571,303.15 = 1,339,787.70/x - Step 3: Cross multiply
1,717,701.30x = 2,571,303.15 × 1,339,787.70 - Step 4: Simplify right side
1,717,701.30x = 3,445,000,333,341.26 - Step 5: Solve for x
x = 3,445,000,333,341.26/1,717,701.30 - Step 6: Final answer
x = 2,005,587.55
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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.