Home / 6,464,082.21-8,920,460.48-3,563,409.57

Finding the Fourth Proportional to 6,464,082.21, 8,920,460.48 and 3,563,409.57

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Solution

The fourth proportional to 6,464,082.21, 8,920,460.48 and 3,563,409.57 is: 4,917,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464,082.21 : 8,920,460.48 = 3,563,409.57 : x
  2. Step 2: Convert to fraction form
    6,464,082.21/8,920,460.48 = 3,563,409.57/x
  3. Step 3: Cross multiply
    6,464,082.21x = 8,920,460.48 × 3,563,409.57
  4. Step 4: Simplify right side
    6,464,082.21x = 31,787,254,225,421.74
  5. Step 5: Solve for x
    x = 31,787,254,225,421.74/6,464,082.21
  6. Step 6: Final answer
    x = 4,917,520.10

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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.