Finding the Fourth Proportional to 2,119,289.84, 2,924,530.99 and 1,201,580.74
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Solution
The fourth proportional to 2,119,289.84, 2,924,530.99 and 1,201,580.74 is: 1,658,130.96
Step by Step Solution
- Step 1: Write the proportion equation
2,119,289.84 : 2,924,530.99 = 1,201,580.74 : x - Step 2: Convert to fraction form
2,119,289.84/2,924,530.99 = 1,201,580.74/x - Step 3: Cross multiply
2,119,289.84x = 2,924,530.99 × 1,201,580.74 - Step 4: Simplify right side
2,119,289.84x = 3,514,060,090,486.57 - Step 5: Solve for x
x = 3,514,060,090,486.57/2,119,289.84 - Step 6: Final answer
x = 1,658,130.96
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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.