Finding the Fourth Proportional to 1,677,866.88, 2,314,465.74 and 1,187,283.84
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Solution
The fourth proportional to 1,677,866.88, 2,314,465.74 and 1,187,283.84 is: 1,637,750.77
Step by Step Solution
- Step 1: Write the proportion equation
1,677,866.88 : 2,314,465.74 = 1,187,283.84 : x - Step 2: Convert to fraction form
1,677,866.88/2,314,465.74 = 1,187,283.84/x - Step 3: Cross multiply
1,677,866.88x = 2,314,465.74 × 1,187,283.84 - Step 4: Simplify right side
1,677,866.88x = 2,747,927,771,335.64 - Step 5: Solve for x
x = 2,747,927,771,335.64/1,677,866.88 - Step 6: Final answer
x = 1,637,750.77
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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.