Finding the Fourth Proportional to 1,572,261.68, 2,169,478.14 and 883,805.96
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Solution
The fourth proportional to 1,572,261.68, 2,169,478.14 and 883,805.96 is: 1,219,515.64
Step by Step Solution
- Step 1: Write the proportion equation
1,572,261.68 : 2,169,478.14 = 883,805.96 : x - Step 2: Convert to fraction form
1,572,261.68/2,169,478.14 = 883,805.96/x - Step 3: Cross multiply
1,572,261.68x = 2,169,478.14 × 883,805.96 - Step 4: Simplify right side
1,572,261.68x = 1,917,397,710,221.71 - Step 5: Solve for x
x = 1,917,397,710,221.71/1,572,261.68 - Step 6: Final answer
x = 1,219,515.64
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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.