Home / 1,547,341.40-2,135,281.02-868,289.24

Finding the Fourth Proportional to 1,547,341.40, 2,135,281.02 and 868,289.24

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Solution

The fourth proportional to 1,547,341.40, 2,135,281.02 and 868,289.24 is: 1,198,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,341.40 : 2,135,281.02 = 868,289.24 : x
  2. Step 2: Convert to fraction form
    1,547,341.40/2,135,281.02 = 868,289.24/x
  3. Step 3: Cross multiply
    1,547,341.40x = 2,135,281.02 × 868,289.24
  4. Step 4: Simplify right side
    1,547,341.40x = 1,854,041,534,042.23
  5. Step 5: Solve for x
    x = 1,854,041,534,042.23/1,547,341.40
  6. Step 6: Final answer
    x = 1,198,211.03

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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.