Finding the Fourth Proportional to 1,513,642.46, 2,089,332.77 and 901,987.09
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Solution
The fourth proportional to 1,513,642.46, 2,089,332.77 and 901,987.09 is: 1,245,043.82
Step by Step Solution
- Step 1: Write the proportion equation
1,513,642.46 : 2,089,332.77 = 901,987.09 : x - Step 2: Convert to fraction form
1,513,642.46/2,089,332.77 = 901,987.09/x - Step 3: Cross multiply
1,513,642.46x = 2,089,332.77 × 901,987.09 - Step 4: Simplify right side
1,513,642.46x = 1,884,551,185,253.94 - Step 5: Solve for x
x = 1,884,551,185,253.94/1,513,642.46 - Step 6: Final answer
x = 1,245,043.82
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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.