Finding the Fourth Proportional to 2,051,488.44, 2,831,062.74 and 1,121,215.04
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Solution
The fourth proportional to 2,051,488.44, 2,831,062.74 and 1,121,215.04 is: 1,547,281.51
Step by Step Solution
- Step 1: Write the proportion equation
2,051,488.44 : 2,831,062.74 = 1,121,215.04 : x - Step 2: Convert to fraction form
2,051,488.44/2,831,062.74 = 1,121,215.04/x - Step 3: Cross multiply
2,051,488.44x = 2,831,062.74 × 1,121,215.04 - Step 4: Simplify right side
2,051,488.44x = 3,174,230,123,271.61 - Step 5: Solve for x
x = 3,174,230,123,271.61/2,051,488.44 - Step 6: Final answer
x = 1,547,281.51
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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.