Finding the Fourth Proportional to 2,922,237.18, 4,032,338.09 and 1,615,312.71
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Solution
The fourth proportional to 2,922,237.18, 4,032,338.09 and 1,615,312.71 is: 2,228,938.50
Step by Step Solution
- Step 1: Write the proportion equation
2,922,237.18 : 4,032,338.09 = 1,615,312.71 : x - Step 2: Convert to fraction form
2,922,237.18/4,032,338.09 = 1,615,312.71/x - Step 3: Cross multiply
2,922,237.18x = 4,032,338.09 × 1,615,312.71 - Step 4: Simplify right side
2,922,237.18x = 6,513,486,959,717.56 - Step 5: Solve for x
x = 6,513,486,959,717.56/2,922,237.18 - Step 6: Final answer
x = 2,228,938.50
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1.5x scale
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.