Finding the Fourth Proportional to 1,909,706.50, 2,635,342.37 and 1,050,267.07
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Solution
The fourth proportional to 1,909,706.50, 2,635,342.37 and 1,050,267.07 is: 1,449,339.63
Step by Step Solution
- Step 1: Write the proportion equation
1,909,706.50 : 2,635,342.37 = 1,050,267.07 : x - Step 2: Convert to fraction form
1,909,706.50/2,635,342.37 = 1,050,267.07/x - Step 3: Cross multiply
1,909,706.50x = 2,635,342.37 × 1,050,267.07 - Step 4: Simplify right side
1,909,706.50x = 2,767,813,296,210.04 - Step 5: Solve for x
x = 2,767,813,296,210.04/1,909,706.50 - Step 6: Final answer
x = 1,449,339.63
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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.