Finding the Fourth Proportional to 1,559,642.16, 2,339,686.42 and 480,246.06
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Solution
The fourth proportional to 1,559,642.16, 2,339,686.42 and 480,246.06 is: 720,437.81
Step by Step Solution
- Step 1: Write the proportion equation
1,559,642.16 : 2,339,686.42 = 480,246.06 : x - Step 2: Convert to fraction form
1,559,642.16/2,339,686.42 = 480,246.06/x - Step 3: Cross multiply
1,559,642.16x = 2,339,686.42 × 480,246.06 - Step 4: Simplify right side
1,559,642.16x = 1,123,625,184,840.51 - Step 5: Solve for x
x = 1,123,625,184,840.51/1,559,642.16 - Step 6: Final answer
x = 720,437.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.