Home / 1,549,240.52-2,138,152.02-870,177

Finding the Fourth Proportional to 1,549,240.52, 2,138,152.02 and 870,177

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Solution

The fourth proportional to 1,549,240.52, 2,138,152.02 and 870,177 is: 1,200,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,240.52 : 2,138,152.02 = 870,177 : x
  2. Step 2: Convert to fraction form
    1,549,240.52/2,138,152.02 = 870,177/x
  3. Step 3: Cross multiply
    1,549,240.52x = 2,138,152.02 × 870,177
  4. Step 4: Simplify right side
    1,549,240.52x = 1,860,570,710,307.54
  5. Step 5: Solve for x
    x = 1,860,570,710,307.54/1,549,240.52
  6. Step 6: Final answer
    x = 1,200,956.65

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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.