Finding the Fourth Proportional to 1,558,140.18, 2,134,642.08 and 1,499,873.09
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Solution
The fourth proportional to 1,558,140.18, 2,134,642.08 and 1,499,873.09 is: 2,054,816.53
Step by Step Solution
- Step 1: Write the proportion equation
1,558,140.18 : 2,134,642.08 = 1,499,873.09 : x - Step 2: Convert to fraction form
1,558,140.18/2,134,642.08 = 1,499,873.09/x - Step 3: Cross multiply
1,558,140.18x = 2,134,642.08 × 1,499,873.09 - Step 4: Simplify right side
1,558,140.18x = 3,201,692,201,900.42 - Step 5: Solve for x
x = 3,201,692,201,900.42/1,558,140.18 - Step 6: Final answer
x = 2,054,816.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.