Home / 4,680,420.16-7,020,891.60-1,314,364

Finding the Fourth Proportional to 4,680,420.16, 7,020,891.60 and 1,314,364

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Solution

The fourth proportional to 4,680,420.16, 7,020,891.60 and 1,314,364 is: 1,971,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,420.16 : 7,020,891.60 = 1,314,364 : x
  2. Step 2: Convert to fraction form
    4,680,420.16/7,020,891.60 = 1,314,364/x
  3. Step 3: Cross multiply
    4,680,420.16x = 7,020,891.60 × 1,314,364
  4. Step 4: Simplify right side
    4,680,420.16x = 9,228,007,166,942.40
  5. Step 5: Solve for x
    x = 9,228,007,166,942.40/4,680,420.16
  6. Step 6: Final answer
    x = 1,971,619.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.