Finding the Fourth Proportional to 1,916,277.58, 2,645,348.58 and 1,181,363.19
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Solution
The fourth proportional to 1,916,277.58, 2,645,348.58 and 1,181,363.19 is: 1,630,827.11
Step by Step Solution
- Step 1: Write the proportion equation
1,916,277.58 : 2,645,348.58 = 1,181,363.19 : x - Step 2: Convert to fraction form
1,916,277.58/2,645,348.58 = 1,181,363.19/x - Step 3: Cross multiply
1,916,277.58x = 2,645,348.58 × 1,181,363.19 - Step 4: Simplify right side
1,916,277.58x = 3,125,117,437,130.77 - Step 5: Solve for x
x = 3,125,117,437,130.77/1,916,277.58 - Step 6: Final answer
x = 1,630,827.11
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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.