Finding the Fourth Proportional to 2,547,220.36, 3,515,193.12 and 1,459,470.10
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Solution
The fourth proportional to 2,547,220.36, 3,515,193.12 and 1,459,470.10 is: 2,014,085.37
Step by Step Solution
- Step 1: Write the proportion equation
2,547,220.36 : 3,515,193.12 = 1,459,470.10 : x - Step 2: Convert to fraction form
2,547,220.36/3,515,193.12 = 1,459,470.10/x - Step 3: Cross multiply
2,547,220.36x = 3,515,193.12 × 1,459,470.10 - Step 4: Simplify right side
2,547,220.36x = 5,130,319,254,365.71 - Step 5: Solve for x
x = 5,130,319,254,365.71/2,547,220.36 - Step 6: Final answer
x = 2,014,085.37
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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.