Home / 1,547,219.76-2,310,240.90-1,386,256.56

Finding the Fourth Proportional to 1,547,219.76, 2,310,240.90 and 1,386,256.56

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Solution

The fourth proportional to 1,547,219.76, 2,310,240.90 and 1,386,256.56 is: 2,069,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,219.76 : 2,310,240.90 = 1,386,256.56 : x
  2. Step 2: Convert to fraction form
    1,547,219.76/2,310,240.90 = 1,386,256.56/x
  3. Step 3: Cross multiply
    1,547,219.76x = 2,310,240.90 × 1,386,256.56
  4. Step 4: Simplify right side
    1,547,219.76x = 3,202,586,602,805.30
  5. Step 5: Solve for x
    x = 3,202,586,602,805.30/1,547,219.76
  6. Step 6: Final answer
    x = 2,069,897.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.