Finding the Fourth Proportional to 1,897,726.68, 2,618,604.18 and 1,133,618.04
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Solution
The fourth proportional to 1,897,726.68, 2,618,604.18 and 1,133,618.04 is: 1,564,238.40
Step by Step Solution
- Step 1: Write the proportion equation
1,897,726.68 : 2,618,604.18 = 1,133,618.04 : x - Step 2: Convert to fraction form
1,897,726.68/2,618,604.18 = 1,133,618.04/x - Step 3: Cross multiply
1,897,726.68x = 2,618,604.18 × 1,133,618.04 - Step 4: Simplify right side
1,897,726.68x = 2,968,496,938,067.41 - Step 5: Solve for x
x = 2,968,496,938,067.41/1,897,726.68 - Step 6: Final answer
x = 1,564,238.40
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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.