Finding the Fourth Proportional to 1,637,698.52, 2,456,547.42 and 639,726.68
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Solution
The fourth proportional to 1,637,698.52, 2,456,547.42 and 639,726.68 is: 959,589.88
Step by Step Solution
- Step 1: Write the proportion equation
1,637,698.52 : 2,456,547.42 = 639,726.68 : x - Step 2: Convert to fraction form
1,637,698.52/2,456,547.42 = 639,726.68/x - Step 3: Cross multiply
1,637,698.52x = 2,456,547.42 × 639,726.68 - Step 4: Simplify right side
1,637,698.52x = 1,571,518,925,259.17 - Step 5: Solve for x
x = 1,571,518,925,259.17/1,637,698.52 - Step 6: Final answer
x = 959,589.88
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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.