Finding the Fourth Proportional to 2,106,733.12, 2,907,271.04 and 1,139,842.19
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Solution
The fourth proportional to 2,106,733.12, 2,907,271.04 and 1,139,842.19 is: 1,572,971.04
Step by Step Solution
- Step 1: Write the proportion equation
2,106,733.12 : 2,907,271.04 = 1,139,842.19 : x - Step 2: Convert to fraction form
2,106,733.12/2,907,271.04 = 1,139,842.19/x - Step 3: Cross multiply
2,106,733.12x = 2,907,271.04 × 1,139,842.19 - Step 4: Simplify right side
2,106,733.12x = 3,313,830,190,726.14 - Step 5: Solve for x
x = 3,313,830,190,726.14/2,106,733.12 - Step 6: Final answer
x = 1,572,971.04
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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.