Finding the Fourth Proportional to 1,706,347.62, 2,354,745.21 and 942,384.78
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Solution
The fourth proportional to 1,706,347.62, 2,354,745.21 and 942,384.78 is: 1,300,482.99
Step by Step Solution
- Step 1: Write the proportion equation
1,706,347.62 : 2,354,745.21 = 942,384.78 : x - Step 2: Convert to fraction form
1,706,347.62/2,354,745.21 = 942,384.78/x - Step 3: Cross multiply
1,706,347.62x = 2,354,745.21 × 942,384.78 - Step 4: Simplify right side
1,706,347.62x = 2,219,076,046,681.90 - Step 5: Solve for x
x = 2,219,076,046,681.90/1,706,347.62 - Step 6: Final answer
x = 1,300,482.99
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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.