Home / 1,911,606.61-2,637,996.51-1,052,148.28

Finding the Fourth Proportional to 1,911,606.61, 2,637,996.51 and 1,052,148.28

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Solution

The fourth proportional to 1,911,606.61, 2,637,996.51 and 1,052,148.28 is: 1,451,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,606.61 : 2,637,996.51 = 1,052,148.28 : x
  2. Step 2: Convert to fraction form
    1,911,606.61/2,637,996.51 = 1,052,148.28/x
  3. Step 3: Cross multiply
    1,911,606.61x = 2,637,996.51 × 1,052,148.28
  4. Step 4: Simplify right side
    1,911,606.61x = 2,775,563,490,642.50
  5. Step 5: Solve for x
    x = 2,775,563,490,642.50/1,911,606.61
  6. Step 6: Final answer
    x = 1,451,953.28

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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.