Home / 1,570,233.80-2,355,350.70-1,318,291.40

Finding the Fourth Proportional to 1,570,233.80, 2,355,350.70 and 1,318,291.40

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Solution

The fourth proportional to 1,570,233.80, 2,355,350.70 and 1,318,291.40 is: 1,977,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,233.80 : 2,355,350.70 = 1,318,291.40 : x
  2. Step 2: Convert to fraction form
    1,570,233.80/2,355,350.70 = 1,318,291.40/x
  3. Step 3: Cross multiply
    1,570,233.80x = 2,355,350.70 × 1,318,291.40
  4. Step 4: Simplify right side
    1,570,233.80x = 3,105,038,571,793.98
  5. Step 5: Solve for x
    x = 3,105,038,571,793.98/1,570,233.80
  6. Step 6: Final answer
    x = 1,977,437.10

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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.