Home / 3,154,752-4,353,245.76-1,931,402.40

Finding the Fourth Proportional to 3,154,752, 4,353,245.76 and 1,931,402.40

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Solution

The fourth proportional to 3,154,752, 4,353,245.76 and 1,931,402.40 is: 2,665,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,752 : 4,353,245.76 = 1,931,402.40 : x
  2. Step 2: Convert to fraction form
    3,154,752/4,353,245.76 = 1,931,402.40/x
  3. Step 3: Cross multiply
    3,154,752x = 4,353,245.76 × 1,931,402.40
  4. Step 4: Simplify right side
    3,154,752x = 8,407,869,308,653.82
  5. Step 5: Solve for x
    x = 8,407,869,308,653.82/3,154,752
  6. Step 6: Final answer
    x = 2,665,144.30

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1.5x scale

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.