Finding the Fourth Proportional to 1,962,739.08, 2,708,106.98 and 1,146,479.40
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Solution
The fourth proportional to 1,962,739.08, 2,708,106.98 and 1,146,479.40 is: 1,581,865.31
Step by Step Solution
- Step 1: Write the proportion equation
1,962,739.08 : 2,708,106.98 = 1,146,479.40 : x - Step 2: Convert to fraction form
1,962,739.08/2,708,106.98 = 1,146,479.40/x - Step 3: Cross multiply
1,962,739.08x = 2,708,106.98 × 1,146,479.40 - Step 4: Simplify right side
1,962,739.08x = 3,104,788,865,566.21 - Step 5: Solve for x
x = 3,104,788,865,566.21/1,962,739.08 - Step 6: Final answer
x = 1,581,865.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.