Home / 4,680,491.40-7,020,218.70-1,315,038.60

Finding the Fourth Proportional to 4,680,491.40, 7,020,218.70 and 1,315,038.60

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Solution

The fourth proportional to 4,680,491.40, 7,020,218.70 and 1,315,038.60 is: 1,972,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,491.40 : 7,020,218.70 = 1,315,038.60 : x
  2. Step 2: Convert to fraction form
    4,680,491.40/7,020,218.70 = 1,315,038.60/x
  3. Step 3: Cross multiply
    4,680,491.40x = 7,020,218.70 × 1,315,038.60
  4. Step 4: Simplify right side
    4,680,491.40x = 9,231,858,570,941.82
  5. Step 5: Solve for x
    x = 9,231,858,570,941.82/4,680,491.40
  6. Step 6: Final answer
    x = 1,972,412.25

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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.