Finding the Fourth Proportional to 1,551,315.95, 2,139,050.94 and 1,092,283.79
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Solution
The fourth proportional to 1,551,315.95, 2,139,050.94 and 1,092,283.79 is: 1,506,108.83
Step by Step Solution
- Step 1: Write the proportion equation
1,551,315.95 : 2,139,050.94 = 1,092,283.79 : x - Step 2: Convert to fraction form
1,551,315.95/2,139,050.94 = 1,092,283.79/x - Step 3: Cross multiply
1,551,315.95x = 2,139,050.94 × 1,092,283.79 - Step 4: Simplify right side
1,551,315.95x = 2,336,450,652,954.94 - Step 5: Solve for x
x = 2,336,450,652,954.94/1,551,315.95 - Step 6: Final answer
x = 1,506,108.83
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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.