Home / 6,457,580.64-8,911,522.80-3,556,984.32

Finding the Fourth Proportional to 6,457,580.64, 8,911,522.80 and 3,556,984.32

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Solution

The fourth proportional to 6,457,580.64, 8,911,522.80 and 3,556,984.32 is: 4,908,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,580.64 : 8,911,522.80 = 3,556,984.32 : x
  2. Step 2: Convert to fraction form
    6,457,580.64/8,911,522.80 = 3,556,984.32/x
  3. Step 3: Cross multiply
    6,457,580.64x = 8,911,522.80 × 3,556,984.32
  4. Step 4: Simplify right side
    6,457,580.64x = 31,698,146,866,922.50
  5. Step 5: Solve for x
    x = 31,698,146,866,922.50/6,457,580.64
  6. Step 6: Final answer
    x = 4,908,672.25

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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.