Finding the Fourth Proportional to 1,571,721.60, 2,357,598.86 and 1,258,171.68
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Solution
The fourth proportional to 1,571,721.60, 2,357,598.86 and 1,258,171.68 is: 1,887,270.70
Step by Step Solution
- Step 1: Write the proportion equation
1,571,721.60 : 2,357,598.86 = 1,258,171.68 : x - Step 2: Convert to fraction form
1,571,721.60/2,357,598.86 = 1,258,171.68/x - Step 3: Cross multiply
1,571,721.60x = 2,357,598.86 × 1,258,171.68 - Step 4: Simplify right side
1,571,721.60x = 2,966,264,118,452.28 - Step 5: Solve for x
x = 2,966,264,118,452.28/1,571,721.60 - Step 6: Final answer
x = 1,887,270.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.