Home / 1,572,018.80-2,355,403.80-1,346,320.40

Finding the Fourth Proportional to 1,572,018.80, 2,355,403.80 and 1,346,320.40

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Solution

The fourth proportional to 1,572,018.80, 2,355,403.80 and 1,346,320.40 is: 2,017,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,018.80 : 2,355,403.80 = 1,346,320.40 : x
  2. Step 2: Convert to fraction form
    1,572,018.80/2,355,403.80 = 1,346,320.40/x
  3. Step 3: Cross multiply
    1,572,018.80x = 2,355,403.80 × 1,346,320.40
  4. Step 4: Simplify right side
    1,572,018.80x = 3,171,128,186,177.52
  5. Step 5: Solve for x
    x = 3,171,128,186,177.52/1,572,018.80
  6. Step 6: Final answer
    x = 2,017,232.99

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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.