Finding the Fourth Proportional to 1,422,212.26, 2,133,261.75 and 783,781.71
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Solution
The fourth proportional to 1,422,212.26, 2,133,261.75 and 783,781.71 is: 1,175,641.35
Step by Step Solution
- Step 1: Write the proportion equation
1,422,212.26 : 2,133,261.75 = 783,781.71 : x - Step 2: Convert to fraction form
1,422,212.26/2,133,261.75 = 783,781.71/x - Step 3: Cross multiply
1,422,212.26x = 2,133,261.75 × 783,781.71 - Step 4: Simplify right side
1,422,212.26x = 1,672,011,542,292.59 - Step 5: Solve for x
x = 1,672,011,542,292.59/1,422,212.26 - Step 6: Final answer
x = 1,175,641.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.