Finding the Fourth Proportional to 1,688,404.56, 2,329,998.12 and 924,460.08
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Solution
The fourth proportional to 1,688,404.56, 2,329,998.12 and 924,460.08 is: 1,275,754.82
Step by Step Solution
- Step 1: Write the proportion equation
1,688,404.56 : 2,329,998.12 = 924,460.08 : x - Step 2: Convert to fraction form
1,688,404.56/2,329,998.12 = 924,460.08/x - Step 3: Cross multiply
1,688,404.56x = 2,329,998.12 × 924,460.08 - Step 4: Simplify right side
1,688,404.56x = 2,153,990,248,415.05 - Step 5: Solve for x
x = 2,153,990,248,415.05/1,688,404.56 - Step 6: Final answer
x = 1,275,754.82
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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.