Finding the Fourth Proportional to 2,127,058.04, 2,934,815.28 and 1,299,920.60
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Solution
The fourth proportional to 2,127,058.04, 2,934,815.28 and 1,299,920.60 is: 1,793,569.69
Step by Step Solution
- Step 1: Write the proportion equation
2,127,058.04 : 2,934,815.28 = 1,299,920.60 : x - Step 2: Convert to fraction form
2,127,058.04/2,934,815.28 = 1,299,920.60/x - Step 3: Cross multiply
2,127,058.04x = 2,934,815.28 × 1,299,920.60 - Step 4: Simplify right side
2,127,058.04x = 3,815,026,839,666.77 - Step 5: Solve for x
x = 3,815,026,839,666.77/2,127,058.04 - Step 6: Final answer
x = 1,793,569.69
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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.