Finding the Fourth Proportional to 2,872,070.87, 3,963,341.14 and 1,565,295.18
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Solution
The fourth proportional to 2,872,070.87, 3,963,341.14 and 1,565,295.18 is: 2,160,043.77
Step by Step Solution
- Step 1: Write the proportion equation
2,872,070.87 : 3,963,341.14 = 1,565,295.18 : x - Step 2: Convert to fraction form
2,872,070.87/3,963,341.14 = 1,565,295.18/x - Step 3: Cross multiply
2,872,070.87x = 3,963,341.14 × 1,565,295.18 - Step 4: Simplify right side
2,872,070.87x = 6,203,798,786,655.73 - Step 5: Solve for x
x = 6,203,798,786,655.73/2,872,070.87 - Step 6: Final answer
x = 2,160,043.77
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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.