Finding the Fourth Proportional to 2,106,554.16, 2,907,036.84 and 1,139,681.36
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Solution
The fourth proportional to 2,106,554.16, 2,907,036.84 and 1,139,681.36 is: 1,572,756.00
Step by Step Solution
- Step 1: Write the proportion equation
2,106,554.16 : 2,907,036.84 = 1,139,681.36 : x - Step 2: Convert to fraction form
2,106,554.16/2,907,036.84 = 1,139,681.36/x - Step 3: Cross multiply
2,106,554.16x = 2,907,036.84 × 1,139,681.36 - Step 4: Simplify right side
2,106,554.16x = 3,313,095,699,381.30 - Step 5: Solve for x
x = 3,313,095,699,381.30/2,106,554.16 - Step 6: Final answer
x = 1,572,756.00
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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.