Finding the Fourth Proportional to 2,272,090.08, 3,135,374.88 and 1,239,536.40
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Solution
The fourth proportional to 2,272,090.08, 3,135,374.88 and 1,239,536.40 is: 1,710,500.53
Step by Step Solution
- Step 1: Write the proportion equation
2,272,090.08 : 3,135,374.88 = 1,239,536.40 : x - Step 2: Convert to fraction form
2,272,090.08/3,135,374.88 = 1,239,536.40/x - Step 3: Cross multiply
2,272,090.08x = 3,135,374.88 × 1,239,536.40 - Step 4: Simplify right side
2,272,090.08x = 3,886,411,291,405.63 - Step 5: Solve for x
x = 3,886,411,291,405.63/2,272,090.08 - Step 6: Final answer
x = 1,710,500.53
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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.