Finding the Fourth Proportional to 1,575,373.98, 2,173,140.68 and 1,032,385.62
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Solution
The fourth proportional to 1,575,373.98, 2,173,140.68 and 1,032,385.62 is: 1,424,118.47
Step by Step Solution
- Step 1: Write the proportion equation
1,575,373.98 : 2,173,140.68 = 1,032,385.62 : x - Step 2: Convert to fraction form
1,575,373.98/2,173,140.68 = 1,032,385.62/x - Step 3: Cross multiply
1,575,373.98x = 2,173,140.68 × 1,032,385.62 - Step 4: Simplify right side
1,575,373.98x = 2,243,519,188,269.02 - Step 5: Solve for x
x = 2,243,519,188,269.02/1,575,373.98 - Step 6: Final answer
x = 1,424,118.47
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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.