Finding the Fourth Proportional to 3,158,567.48, 4,358,823 and 1,708,262.84
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Solution
The fourth proportional to 3,158,567.48, 4,358,823 and 1,708,262.84 is: 2,357,402.65
Step by Step Solution
- Step 1: Write the proportion equation
3,158,567.48 : 4,358,823 = 1,708,262.84 : x - Step 2: Convert to fraction form
3,158,567.48/4,358,823 = 1,708,262.84/x - Step 3: Cross multiply
3,158,567.48x = 4,358,823 × 1,708,262.84 - Step 4: Simplify right side
3,158,567.48x = 7,446,015,357,037.32 - Step 5: Solve for x
x = 7,446,015,357,037.32/3,158,567.48 - Step 6: Final answer
x = 2,357,402.65
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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.