Finding the Fourth Proportional to 1,576,703.80, 2,175,853.28 and 897,640.28
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Solution
The fourth proportional to 1,576,703.80, 2,175,853.28 and 897,640.28 is: 1,238,744.75
Step by Step Solution
- Step 1: Write the proportion equation
1,576,703.80 : 2,175,853.28 = 897,640.28 : x - Step 2: Convert to fraction form
1,576,703.80/2,175,853.28 = 897,640.28/x - Step 3: Cross multiply
1,576,703.80x = 2,175,853.28 × 897,640.28 - Step 4: Simplify right side
1,576,703.80x = 1,953,133,547,498.12 - Step 5: Solve for x
x = 1,953,133,547,498.12/1,576,703.80 - Step 6: Final answer
x = 1,238,744.75
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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.