Home / 1,909,347.32-2,634,809.10-1,049,943.80

Finding the Fourth Proportional to 1,909,347.32, 2,634,809.10 and 1,049,943.80

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Solution

The fourth proportional to 1,909,347.32, 2,634,809.10 and 1,049,943.80 is: 1,448,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,347.32 : 2,634,809.10 = 1,049,943.80 : x
  2. Step 2: Convert to fraction form
    1,909,347.32/2,634,809.10 = 1,049,943.80/x
  3. Step 3: Cross multiply
    1,909,347.32x = 2,634,809.10 × 1,049,943.80
  4. Step 4: Simplify right side
    1,909,347.32x = 2,766,401,478,728.58
  5. Step 5: Solve for x
    x = 2,766,401,478,728.58/1,909,347.32
  6. Step 6: Final answer
    x = 1,448,872.84

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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.