Home / 6,450,211.40-8,901,176.56-3,509,928.20

Finding the Fourth Proportional to 6,450,211.40, 8,901,176.56 and 3,509,928.20

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Solution

The fourth proportional to 6,450,211.40, 8,901,176.56 and 3,509,928.20 is: 4,843,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450,211.40 : 8,901,176.56 = 3,509,928.20 : x
  2. Step 2: Convert to fraction form
    6,450,211.40/8,901,176.56 = 3,509,928.20/x
  3. Step 3: Cross multiply
    6,450,211.40x = 8,901,176.56 × 3,509,928.20
  4. Step 4: Simplify right side
    6,450,211.40x = 31,242,490,621,123.00
  5. Step 5: Solve for x
    x = 31,242,490,621,123.00/6,450,211.40
  6. Step 6: Final answer
    x = 4,843,638.24

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Double scale
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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.