Finding the Fourth Proportional to 3,155,292.60, 4,354,303.69 and 1,704,987.99
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Solution
The fourth proportional to 3,155,292.60, 4,354,303.69 and 1,704,987.99 is: 2,352,883.37
Step by Step Solution
- Step 1: Write the proportion equation
3,155,292.60 : 4,354,303.69 = 1,704,987.99 : x - Step 2: Convert to fraction form
3,155,292.60/4,354,303.69 = 1,704,987.99/x - Step 3: Cross multiply
3,155,292.60x = 4,354,303.69 × 1,704,987.99 - Step 4: Simplify right side
3,155,292.60x = 7,424,035,496,262.68 - Step 5: Solve for x
x = 7,424,035,496,262.68/3,155,292.60 - Step 6: Final answer
x = 2,352,883.37
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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.