Finding the Fourth Proportional to 1,816,395.63, 2,506,703.72 and 1,011,579.63
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Solution
The fourth proportional to 1,816,395.63, 2,506,703.72 and 1,011,579.63 is: 1,396,023.19
Step by Step Solution
- Step 1: Write the proportion equation
1,816,395.63 : 2,506,703.72 = 1,011,579.63 : x - Step 2: Convert to fraction form
1,816,395.63/2,506,703.72 = 1,011,579.63/x - Step 3: Cross multiply
1,816,395.63x = 2,506,703.72 × 1,011,579.63 - Step 4: Simplify right side
1,816,395.63x = 2,535,730,421,597.22 - Step 5: Solve for x
x = 2,535,730,421,597.22/1,816,395.63 - Step 6: Final answer
x = 1,396,023.19
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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.