Home / 1,915,510.30-2,640,656.62-1,506,901.94

Finding the Fourth Proportional to 1,915,510.30, 2,640,656.62 and 1,506,901.94

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Solution

The fourth proportional to 1,915,510.30, 2,640,656.62 and 1,506,901.94 is: 2,077,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,510.30 : 2,640,656.62 = 1,506,901.94 : x
  2. Step 2: Convert to fraction form
    1,915,510.30/2,640,656.62 = 1,506,901.94/x
  3. Step 3: Cross multiply
    1,915,510.30x = 2,640,656.62 × 1,506,901.94
  4. Step 4: Simplify right side
    1,915,510.30x = 3,979,210,583,551.84
  5. Step 5: Solve for x
    x = 3,979,210,583,551.84/1,915,510.30
  6. Step 6: Final answer
    x = 2,077,363.19

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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.