Home / 2,971,101.60-4,100,038.56-1,681,931.52

Finding the Fourth Proportional to 2,971,101.60, 4,100,038.56 and 1,681,931.52

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Solution

The fourth proportional to 2,971,101.60, 4,100,038.56 and 1,681,931.52 is: 2,321,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,101.60 : 4,100,038.56 = 1,681,931.52 : x
  2. Step 2: Convert to fraction form
    2,971,101.60/4,100,038.56 = 1,681,931.52/x
  3. Step 3: Cross multiply
    2,971,101.60x = 4,100,038.56 × 1,681,931.52
  4. Step 4: Simplify right side
    2,971,101.60x = 6,895,984,087,279.41
  5. Step 5: Solve for x
    x = 6,895,984,087,279.41/2,971,101.60
  6. Step 6: Final answer
    x = 2,321,019.28

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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.