Home / 2,686,475.80-4,029,713.70-913,547.80

Finding the Fourth Proportional to 2,686,475.80, 4,029,713.70 and 913,547.80

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Solution

The fourth proportional to 2,686,475.80, 4,029,713.70 and 913,547.80 is: 1,370,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,475.80 : 4,029,713.70 = 913,547.80 : x
  2. Step 2: Convert to fraction form
    2,686,475.80/4,029,713.70 = 913,547.80/x
  3. Step 3: Cross multiply
    2,686,475.80x = 4,029,713.70 × 913,547.80
  4. Step 4: Simplify right side
    2,686,475.80x = 3,681,336,085,264.86
  5. Step 5: Solve for x
    x = 3,681,336,085,264.86/2,686,475.80
  6. Step 6: Final answer
    x = 1,370,321.70

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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.