Finding the Fourth Proportional to 1,623,386.08, 2,435,009.25 and 425,281.87
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Solution
The fourth proportional to 1,623,386.08, 2,435,009.25 and 425,281.87 is: 637,904.50
Step by Step Solution
- Step 1: Write the proportion equation
1,623,386.08 : 2,435,009.25 = 425,281.87 : x - Step 2: Convert to fraction form
1,623,386.08/2,435,009.25 = 425,281.87/x - Step 3: Cross multiply
1,623,386.08x = 2,435,009.25 × 425,281.87 - Step 4: Simplify right side
1,623,386.08x = 1,035,565,291,945.87 - Step 5: Solve for x
x = 1,035,565,291,945.87/1,623,386.08 - Step 6: Final answer
x = 637,904.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.