Finding the Fourth Proportional to 1,506,417.39, 2,259,621.63 and 1,239,622.83
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Solution
The fourth proportional to 1,506,417.39, 2,259,621.63 and 1,239,622.83 is: 1,859,430.58
Step by Step Solution
- Step 1: Write the proportion equation
1,506,417.39 : 2,259,621.63 = 1,239,622.83 : x - Step 2: Convert to fraction form
1,506,417.39/2,259,621.63 = 1,239,622.83/x - Step 3: Cross multiply
1,506,417.39x = 2,259,621.63 × 1,239,622.83 - Step 4: Simplify right side
1,506,417.39x = 2,801,078,559,709.81 - Step 5: Solve for x
x = 2,801,078,559,709.81/1,506,417.39 - Step 6: Final answer
x = 1,859,430.58
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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.