Finding the Fourth Proportional to 2,013,127, 2,778,134.70 and 1,107,728.44
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Solution
The fourth proportional to 2,013,127, 2,778,134.70 and 1,107,728.44 is: 1,528,675.94
Step by Step Solution
- Step 1: Write the proportion equation
2,013,127 : 2,778,134.70 = 1,107,728.44 : x - Step 2: Convert to fraction form
2,013,127/2,778,134.70 = 1,107,728.44/x - Step 3: Cross multiply
2,013,127x = 2,778,134.70 × 1,107,728.44 - Step 4: Simplify right side
2,013,127x = 3,077,418,817,340.87 - Step 5: Solve for x
x = 3,077,418,817,340.87/2,013,127 - Step 6: Final answer
x = 1,528,675.94
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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.