Finding the Fourth Proportional to 1,551,740.68, 2,140,904.28 and 939,698.20
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Solution
The fourth proportional to 1,551,740.68, 2,140,904.28 and 939,698.20 is: 1,296,482.02
Step by Step Solution
- Step 1: Write the proportion equation
1,551,740.68 : 2,140,904.28 = 939,698.20 : x - Step 2: Convert to fraction form
1,551,740.68/2,140,904.28 = 939,698.20/x - Step 3: Cross multiply
1,551,740.68x = 2,140,904.28 × 939,698.20 - Step 4: Simplify right side
1,551,740.68x = 2,011,803,898,288.30 - Step 5: Solve for x
x = 2,011,803,898,288.30/1,551,740.68 - Step 6: Final answer
x = 1,296,482.02
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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.