Home / 1,865,914.32-2,575,756.26-1,254,421.74

Finding the Fourth Proportional to 1,865,914.32, 2,575,756.26 and 1,254,421.74

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Solution

The fourth proportional to 1,865,914.32, 2,575,756.26 and 1,254,421.74 is: 1,731,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,914.32 : 2,575,756.26 = 1,254,421.74 : x
  2. Step 2: Convert to fraction form
    1,865,914.32/2,575,756.26 = 1,254,421.74/x
  3. Step 3: Cross multiply
    1,865,914.32x = 2,575,756.26 × 1,254,421.74
  4. Step 4: Simplify right side
    1,865,914.32x = 3,231,084,644,655.55
  5. Step 5: Solve for x
    x = 3,231,084,644,655.55/1,865,914.32
  6. Step 6: Final answer
    x = 1,731,636.13

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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.