Finding the Fourth Proportional to 1,572,216.74, 2,169,646.06 and 883,891.67
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Solution
The fourth proportional to 1,572,216.74, 2,169,646.06 and 883,891.67 is: 1,219,763.17
Step by Step Solution
- Step 1: Write the proportion equation
1,572,216.74 : 2,169,646.06 = 883,891.67 : x - Step 2: Convert to fraction form
1,572,216.74/2,169,646.06 = 883,891.67/x - Step 3: Cross multiply
1,572,216.74x = 2,169,646.06 × 883,891.67 - Step 4: Simplify right side
1,572,216.74x = 1,917,732,076,469.73 - Step 5: Solve for x
x = 1,917,732,076,469.73/1,572,216.74 - Step 6: Final answer
x = 1,219,763.17
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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.