Home / 1,531,859.76-2,114,218.98-1,168,597.80

Finding the Fourth Proportional to 1,531,859.76, 2,114,218.98 and 1,168,597.80

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Solution

The fourth proportional to 1,531,859.76, 2,114,218.98 and 1,168,597.80 is: 1,612,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,859.76 : 2,114,218.98 = 1,168,597.80 : x
  2. Step 2: Convert to fraction form
    1,531,859.76/2,114,218.98 = 1,168,597.80/x
  3. Step 3: Cross multiply
    1,531,859.76x = 2,114,218.98 × 1,168,597.80
  4. Step 4: Simplify right side
    1,531,859.76x = 2,470,671,648,746.24
  5. Step 5: Solve for x
    x = 2,470,671,648,746.24/1,531,859.76
  6. Step 6: Final answer
    x = 1,612,857.60

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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.