Finding the Fourth Proportional to 2,022,917.99, 2,791,681.59 and 1,207,594.86
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Solution
The fourth proportional to 2,022,917.99, 2,791,681.59 and 1,207,594.86 is: 1,666,513.60
Step by Step Solution
- Step 1: Write the proportion equation
2,022,917.99 : 2,791,681.59 = 1,207,594.86 : x - Step 2: Convert to fraction form
2,022,917.99/2,791,681.59 = 1,207,594.86/x - Step 3: Cross multiply
2,022,917.99x = 2,791,681.59 × 1,207,594.86 - Step 4: Simplify right side
2,022,917.99x = 3,371,220,338,840.63 - Step 5: Solve for x
x = 3,371,220,338,840.63/2,022,917.99 - Step 6: Final answer
x = 1,666,513.60
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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.