Home / 1,931,973.12-2,666,649.60-1,252,869.12

Finding the Fourth Proportional to 1,931,973.12, 2,666,649.60 and 1,252,869.12

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Solution

The fourth proportional to 1,931,973.12, 2,666,649.60 and 1,252,869.12 is: 1,729,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,973.12 : 2,666,649.60 = 1,252,869.12 : x
  2. Step 2: Convert to fraction form
    1,931,973.12/2,666,649.60 = 1,252,869.12/x
  3. Step 3: Cross multiply
    1,931,973.12x = 2,666,649.60 × 1,252,869.12
  4. Step 4: Simplify right side
    1,931,973.12x = 3,340,962,937,700.35
  5. Step 5: Solve for x
    x = 3,340,962,937,700.35/1,931,973.12
  6. Step 6: Final answer
    x = 1,729,300.94

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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.