Finding the Fourth Proportional to 1,472,490.97, 2,032,398.38 and 900,011.05
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Solution
The fourth proportional to 1,472,490.97, 2,032,398.38 and 900,011.05 is: 1,242,235.80
Step by Step Solution
- Step 1: Write the proportion equation
1,472,490.97 : 2,032,398.38 = 900,011.05 : x - Step 2: Convert to fraction form
1,472,490.97/2,032,398.38 = 900,011.05/x - Step 3: Cross multiply
1,472,490.97x = 2,032,398.38 × 900,011.05 - Step 4: Simplify right side
1,472,490.97x = 1,829,181,000,002.10 - Step 5: Solve for x
x = 1,829,181,000,002.10/1,472,490.97 - Step 6: Final answer
x = 1,242,235.80
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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.