Finding the Fourth Proportional to 1,255,149.94, 1,869,437.70 and 1,249,032.82
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Solution
The fourth proportional to 1,255,149.94, 1,869,437.70 and 1,249,032.82 is: 1,860,326.78
Step by Step Solution
- Step 1: Write the proportion equation
1,255,149.94 : 1,869,437.70 = 1,249,032.82 : x - Step 2: Convert to fraction form
1,255,149.94/1,869,437.70 = 1,249,032.82/x - Step 3: Cross multiply
1,255,149.94x = 1,869,437.70 × 1,249,032.82 - Step 4: Simplify right side
1,255,149.94x = 2,334,989,042,245.31 - Step 5: Solve for x
x = 2,334,989,042,245.31/1,255,149.94 - Step 6: Final answer
x = 1,860,326.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.