Finding the Fourth Proportional to 2,357,712.19, 3,537,940.61 and 991,387.13
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Solution
The fourth proportional to 2,357,712.19, 3,537,940.61 and 991,387.13 is: 1,487,657.74
Step by Step Solution
- Step 1: Write the proportion equation
2,357,712.19 : 3,537,940.61 = 991,387.13 : x - Step 2: Convert to fraction form
2,357,712.19/3,537,940.61 = 991,387.13/x - Step 3: Cross multiply
2,357,712.19x = 3,537,940.61 × 991,387.13 - Step 4: Simplify right side
2,357,712.19x = 3,507,468,782,501.41 - Step 5: Solve for x
x = 3,507,468,782,501.41/2,357,712.19 - Step 6: Final answer
x = 1,487,657.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.